20162950480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{1289}}^1$

素因数の和:1613

約数の個数: 160

約数和(自身を含む): 50790499200

約数和(自身を除く): 30627548720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 251, 304, 328, 380, 410, 502, 656, 760, 779, 820, 1004, 1255, 1289, 1520, 1558, 1640, 2008, 2510, 2578, 3116, 3280, 3895, 4016, 4769, 5020, 5156, 6232, 6445, 7790, 9538, 10040, 10291, 10312, 12464, 12890, 15580, 19076, 20080, 20582, 20624, 23845, 24491, 25780, 31160, 38152, 41164, 47690, 48982, 51455, 51560, 52849, 62320, 76304, 82328, 95380, 97964, 102910, 103120, 105698, 122455, 164656, 190760, 195529, 195928, 205820, 211396, 244910, 264245, 323539, 381520, 391058, 391856, 411640, 422792, 489820, 528490, 647078, 782116, 823280, 845584, 977645, 979640, 1004131, 1056980, 1294156, 1564232, 1617695, 1955290, 1959280, 2008262, 2113960, 2588312, 3128464, 3235390, 3910580, 4016524, 4227920, 5020655, 5176624, 6147241, 6470780, 7821160, 8033048, 10041310, 12294482, 12941560, 13265099, 15642320, 16066096, 20082620, 24588964, 25883120, 26530198, 30736205, 40165240, 49177928, 53060396, 61472410, 66325495, 80330480, 98355856, 106120792, 122944820, 132650990, 212241584, 245889640, 252036881, 265301980, 491779280, 504073762, 530603960, 1008147524, 1061207920, 1260184405, 2016295048, 2520368810, 4032590096, 5040737620, 10081475240, 20162950480]

約数ペア:

[(1, 20162950480), (2, 10081475240), (4, 5040737620), (5, 4032590096), (8, 2520368810), (10, 2016295048), (16, 1260184405), (19, 1061207920), (20, 1008147524), (38, 530603960), (40, 504073762), (41, 491779280), (76, 265301980), (80, 252036881), (82, 245889640), (95, 212241584), (152, 132650990), (164, 122944820), (190, 106120792), (205, 98355856), (251, 80330480), (304, 66325495), (328, 61472410), (380, 53060396), (410, 49177928), (502, 40165240), (656, 30736205), (760, 26530198), (779, 25883120), (820, 24588964), (1004, 20082620), (1255, 16066096), (1289, 15642320), (1520, 13265099), (1558, 12941560), (1640, 12294482), (2008, 10041310), (2510, 8033048), (2578, 7821160), (3116, 6470780), (3280, 6147241), (3895, 5176624), (4016, 5020655), (4769, 4227920), (5020, 4016524), (5156, 3910580), (6232, 3235390), (6445, 3128464), (7790, 2588312), (9538, 2113960), (10040, 2008262), (10291, 1959280), (10312, 1955290), (12464, 1617695), (12890, 1564232), (15580, 1294156), (19076, 1056980), (20080, 1004131), (20582, 979640), (20624, 977645), (23845, 845584), (24491, 823280), (25780, 782116), (31160, 647078), (38152, 528490), (41164, 489820), (47690, 422792), (48982, 411640), (51455, 391856), (51560, 391058), (52849, 381520), (62320, 323539), (76304, 264245), (82328, 244910), (95380, 211396), (97964, 205820), (102910, 195928), (103120, 195529), (105698, 190760), (122455, 164656)]