87387890

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{28099}}^1$

素因数の和:28417

約数の個数: 16

約数和(自身を含む): 157809600

約数和(自身を除く): 70421710

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 28099, 56198, 140495, 280990, 8738789, 17477578, 43693945, 87387890]

約数ペア:

[(1, 87387890), (2, 43693945), (5, 17477578), (10, 8738789), (311, 280990), (622, 140495), (1555, 56198), (3110, 28099)]