1275356875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{156967}}^1$

素因数の和:157000

約数の個数: 20

約数和(自身を含む): 1716288112

約数和(自身を除く): 440931237

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 156967, 784835, 2040571, 3924175, 10202855, 19620875, 51014275, 98104375, 255071375, 1275356875]

約数ペア:

[(1, 1275356875), (5, 255071375), (13, 98104375), (25, 51014275), (65, 19620875), (125, 10202855), (325, 3924175), (625, 2040571), (1625, 784835), (8125, 156967)]