130906480

素因数分解:

$2^4\times 5^1\times {\mathrm{1636331}}^1$

素因数の和:1636344

約数の個数: 20

約数和(自身を含む): 304357752

約数和(自身を除く): 173451272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1636331, 3272662, 6545324, 8181655, 13090648, 16363310, 26181296, 32726620, 65453240, 130906480]

約数ペア:

[(1, 130906480), (2, 65453240), (4, 32726620), (5, 26181296), (8, 16363310), (10, 13090648), (16, 8181655), (20, 6545324), (40, 3272662), (80, 1636331)]