1311250

素因数分解:

$2^1\times 5^4\times {\mathrm{1049}}^1$

素因数の和:1071

約数の個数: 20

約数和(自身を含む): 2460150

約数和(自身を除く): 1148900

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1049, 1250, 2098, 5245, 10490, 26225, 52450, 131125, 262250, 655625, 1311250]

約数ペア:

[(1, 1311250), (2, 655625), (5, 262250), (10, 131125), (25, 52450), (50, 26225), (125, 10490), (250, 5245), (625, 2098), (1049, 1250)]