156980539280

素因数分解:

$2^4\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1519951}}^1$

素因数の和:1521255

約数の個数: 40

約数和(自身を含む): 365262705024

約数和(自身を除く): 208282165744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1291, 2582, 5164, 6455, 10328, 12910, 20656, 25820, 51640, 103280, 1519951, 3039902, 6079804, 7599755, 12159608, 15199510, 24319216, 30399020, 60798040, 121596080, 1962256741, 3924513482, 7849026964, 9811283705, 15698053928, 19622567410, 31396107856, 39245134820, 78490269640, 156980539280]

約数ペア:

[(1, 156980539280), (2, 78490269640), (4, 39245134820), (5, 31396107856), (8, 19622567410), (10, 15698053928), (16, 9811283705), (20, 7849026964), (40, 3924513482), (80, 1962256741), (1291, 121596080), (2582, 60798040), (5164, 30399020), (6455, 24319216), (10328, 15199510), (12910, 12159608), (20656, 7599755), (25820, 6079804), (51640, 3039902), (103280, 1519951)]