89423780

素因数分解:

$2^2\times 5^1\times {\mathrm{4471189}}^1$

素因数の和:4471198

約数の個数: 12

約数和(自身を含む): 187789980

約数和(自身を除く): 98366200

約数列:

[1, 2, 4, 5, 10, 20, 4471189, 8942378, 17884756, 22355945, 44711890, 89423780]

約数ペア:

[(1, 89423780), (2, 44711890), (4, 22355945), (5, 17884756), (10, 8942378), (20, 4471189)]