625625

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:51

約数の個数: 40

約数和(自身を含む): 1049664

約数和(自身を除く): 424039

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 125, 143, 175, 275, 325, 385, 455, 625, 715, 875, 1001, 1375, 1625, 1925, 2275, 3575, 4375, 5005, 6875, 8125, 9625, 11375, 17875, 25025, 48125, 56875, 89375, 125125, 625625]

約数ペア:

[(1, 625625), (5, 125125), (7, 89375), (11, 56875), (13, 48125), (25, 25025), (35, 17875), (55, 11375), (65, 9625), (77, 8125), (91, 6875), (125, 5005), (143, 4375), (175, 3575), (275, 2275), (325, 1925), (385, 1625), (455, 1375), (625, 1001), (715, 875)]