51336080

素因数分解:

$2^4\times 5^1\times {\mathrm{641701}}^1$

素因数の和:641714

約数の個数: 20

約数和(自身を含む): 119356572

約数和(自身を除く): 68020492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641701, 1283402, 2566804, 3208505, 5133608, 6417010, 10267216, 12834020, 25668040, 51336080]

約数ペア:

[(1, 51336080), (2, 25668040), (4, 12834020), (5, 10267216), (8, 6417010), (10, 5133608), (16, 3208505), (20, 2566804), (40, 1283402), (80, 641701)]