1254071120

素因数分解:

$2^4\times 5^1\times {\mathrm{15675889}}^1$

素因数の和:15675902

約数の個数: 20

約数和(自身を含む): 2915715540

約数和(自身を除く): 1661644420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15675889, 31351778, 62703556, 78379445, 125407112, 156758890, 250814224, 313517780, 627035560, 1254071120]

約数ペア:

[(1, 1254071120), (2, 627035560), (4, 313517780), (5, 250814224), (8, 156758890), (10, 125407112), (16, 78379445), (20, 62703556), (40, 31351778), (80, 15675889)]