89939420

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{3677}}^1$

素因数の和:4909

約数の個数: 24

約数和(自身を含む): 189078624

約数和(自身を除く): 99139204

約数列:

[1, 2, 4, 5, 10, 20, 1223, 2446, 3677, 4892, 6115, 7354, 12230, 14708, 18385, 24460, 36770, 73540, 4496971, 8993942, 17987884, 22484855, 44969710, 89939420]

約数ペア:

[(1, 89939420), (2, 44969710), (4, 22484855), (5, 17987884), (10, 8993942), (20, 4496971), (1223, 73540), (2446, 36770), (3677, 24460), (4892, 18385), (6115, 14708), (7354, 12230)]