20834976760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1\times {\mathrm{1319}}^1$

素因数の和:2201

約数の個数: 128

約数和(自身を含む): 51951715200

約数和(自身を除く): 31116738440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 821, 962, 1319, 1480, 1642, 1924, 2405, 2638, 3284, 3848, 4105, 4810, 5276, 6568, 6595, 8210, 9620, 10552, 10673, 13190, 16420, 17147, 19240, 21346, 26380, 30377, 32840, 34294, 42692, 48803, 52760, 53365, 60754, 68588, 85384, 85735, 97606, 106730, 121508, 137176, 151885, 171470, 195212, 213460, 243016, 244015, 303770, 342940, 390424, 394901, 426920, 488030, 607540, 634439, 685880, 789802, 976060, 1082899, 1215080, 1268878, 1579604, 1952120, 1974505, 2165798, 2537756, 3159208, 3172195, 3949010, 4331596, 5075512, 5414495, 6344390, 7898020, 8663192, 10828990, 12688780, 14077687, 15796040, 21657980, 25377560, 28155374, 40067263, 43315960, 56310748, 70388435, 80134526, 112621496, 140776870, 160269052, 200336315, 281553740, 320538104, 400672630, 520874419, 563107480, 801345260, 1041748838, 1602690520, 2083497676, 2604372095, 4166995352, 5208744190, 10417488380, 20834976760]

約数ペア:

[(1, 20834976760), (2, 10417488380), (4, 5208744190), (5, 4166995352), (8, 2604372095), (10, 2083497676), (13, 1602690520), (20, 1041748838), (26, 801345260), (37, 563107480), (40, 520874419), (52, 400672630), (65, 320538104), (74, 281553740), (104, 200336315), (130, 160269052), (148, 140776870), (185, 112621496), (260, 80134526), (296, 70388435), (370, 56310748), (481, 43315960), (520, 40067263), (740, 28155374), (821, 25377560), (962, 21657980), (1319, 15796040), (1480, 14077687), (1642, 12688780), (1924, 10828990), (2405, 8663192), (2638, 7898020), (3284, 6344390), (3848, 5414495), (4105, 5075512), (4810, 4331596), (5276, 3949010), (6568, 3172195), (6595, 3159208), (8210, 2537756), (9620, 2165798), (10552, 1974505), (10673, 1952120), (13190, 1579604), (16420, 1268878), (17147, 1215080), (19240, 1082899), (21346, 976060), (26380, 789802), (30377, 685880), (32840, 634439), (34294, 607540), (42692, 488030), (48803, 426920), (52760, 394901), (53365, 390424), (60754, 342940), (68588, 303770), (85384, 244015), (85735, 243016), (97606, 213460), (106730, 195212), (121508, 171470), (137176, 151885)]