87739090

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{19541}}^1$

素因数の和:19997

約数の個数: 16

約数和(自身を含む): 158290200

約数和(自身を除く): 70551110

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 19541, 39082, 97705, 195410, 8773909, 17547818, 43869545, 87739090]

約数ペア:

[(1, 87739090), (2, 43869545), (5, 17547818), (10, 8773909), (449, 195410), (898, 97705), (2245, 39082), (4490, 19541)]