841331420

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{25951}}^1$

素因数の和:27581

約数の個数: 24

約数和(自身を含む): 1767954048

約数和(自身を除く): 926622628

約数列:

[1, 2, 4, 5, 10, 20, 1621, 3242, 6484, 8105, 16210, 25951, 32420, 51902, 103804, 129755, 259510, 519020, 42066571, 84133142, 168266284, 210332855, 420665710, 841331420]

約数ペア:

[(1, 841331420), (2, 420665710), (4, 210332855), (5, 168266284), (10, 84133142), (20, 42066571), (1621, 519020), (3242, 259510), (6484, 129755), (8105, 103804), (16210, 51902), (25951, 32420)]