2760625

素因数分解:

$5^4\times 7^1\times {\mathrm{631}}^1$

素因数の和:658

約数の個数: 20

約数和(自身を含む): 3948736

約数和(自身を除く): 1188111

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 631, 875, 3155, 4375, 4417, 15775, 22085, 78875, 110425, 394375, 552125, 2760625]

約数ペア:

[(1, 2760625), (5, 552125), (7, 394375), (25, 110425), (35, 78875), (125, 22085), (175, 15775), (625, 4417), (631, 4375), (875, 3155)]