7890403960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2377}}^1\times {\mathrm{2677}}^1$

素因数の和:5096

約数の個数: 64

約数和(自身を含む): 18340657920

約数和(自身を除く): 10450253960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2377, 2677, 4754, 5354, 9508, 10708, 11885, 13385, 19016, 21416, 23770, 26770, 47540, 53540, 73687, 82987, 95080, 107080, 147374, 165974, 294748, 331948, 368435, 414935, 589496, 663896, 736870, 829870, 1473740, 1659740, 2947480, 3319480, 6363229, 12726458, 25452916, 31816145, 50905832, 63632290, 127264580, 197260099, 254529160, 394520198, 789040396, 986300495, 1578080792, 1972600990, 3945201980, 7890403960]

約数ペア:

[(1, 7890403960), (2, 3945201980), (4, 1972600990), (5, 1578080792), (8, 986300495), (10, 789040396), (20, 394520198), (31, 254529160), (40, 197260099), (62, 127264580), (124, 63632290), (155, 50905832), (248, 31816145), (310, 25452916), (620, 12726458), (1240, 6363229), (2377, 3319480), (2677, 2947480), (4754, 1659740), (5354, 1473740), (9508, 829870), (10708, 736870), (11885, 663896), (13385, 589496), (19016, 414935), (21416, 368435), (23770, 331948), (26770, 294748), (47540, 165974), (53540, 147374), (73687, 107080), (82987, 95080)]