4200625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:91

約数の個数: 40

約数和(自身を含む): 6297984

約数和(自身を除く): 2097359

約数列:

[1, 5, 11, 13, 25, 47, 55, 65, 125, 143, 235, 275, 325, 517, 611, 625, 715, 1175, 1375, 1625, 2585, 3055, 3575, 5875, 6721, 6875, 8125, 12925, 15275, 17875, 29375, 33605, 64625, 76375, 89375, 168025, 323125, 381875, 840125, 4200625]

約数ペア:

[(1, 4200625), (5, 840125), (11, 381875), (13, 323125), (25, 168025), (47, 89375), (55, 76375), (65, 64625), (125, 33605), (143, 29375), (235, 17875), (275, 15275), (325, 12925), (517, 8125), (611, 6875), (625, 6721), (715, 5875), (1175, 3575), (1375, 3055), (1625, 2585)]