64434680

素因数分解:

$2^3\times 5^1\times {\mathrm{1610867}}^1$

素因数の和:1610878

約数の個数: 16

約数和(自身を含む): 144978120

約数和(自身を除く): 80543440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1610867, 3221734, 6443468, 8054335, 12886936, 16108670, 32217340, 64434680]

約数ペア:

[(1, 64434680), (2, 32217340), (4, 16108670), (5, 12886936), (8, 8054335), (10, 6443468), (20, 3221734), (40, 1610867)]