520099280

素因数分解:

$2^4\times 5^1\times {\mathrm{6501241}}^1$

素因数の和:6501254

約数の個数: 20

約数和(自身を含む): 1209231012

約数和(自身を除く): 689131732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6501241, 13002482, 26004964, 32506205, 52009928, 65012410, 104019856, 130024820, 260049640, 520099280]

約数ペア:

[(1, 520099280), (2, 260049640), (4, 130024820), (5, 104019856), (8, 65012410), (10, 52009928), (16, 32506205), (20, 26004964), (40, 13002482), (80, 6501241)]