80330480

素因数分解:

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

素因数の和:1362

約数の個数: 80

約数和(自身を含む): 201549600

約数和(自身を除く): 121219120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1289, 1520, 1558, 1640, 2578, 3116, 3280, 3895, 5156, 6232, 6445, 7790, 10312, 12464, 12890, 15580, 20624, 24491, 25780, 31160, 48982, 51560, 52849, 62320, 97964, 103120, 105698, 122455, 195928, 211396, 244910, 264245, 391856, 422792, 489820, 528490, 845584, 979640, 1004131, 1056980, 1959280, 2008262, 2113960, 4016524, 4227920, 5020655, 8033048, 10041310, 16066096, 20082620, 40165240, 80330480]

約数ペア:

[(1, 80330480), (2, 40165240), (4, 20082620), (5, 16066096), (8, 10041310), (10, 8033048), (16, 5020655), (19, 4227920), (20, 4016524), (38, 2113960), (40, 2008262), (41, 1959280), (76, 1056980), (80, 1004131), (82, 979640), (95, 845584), (152, 528490), (164, 489820), (190, 422792), (205, 391856), (304, 264245), (328, 244910), (380, 211396), (410, 195928), (656, 122455), (760, 105698), (779, 103120), (820, 97964), (1289, 62320), (1520, 52849), (1558, 51560), (1640, 48982), (2578, 31160), (3116, 25780), (3280, 24491), (3895, 20624), (5156, 15580), (6232, 12890), (6445, 12464), (7790, 10312)]