27795625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 40936896

約数和(自身を除く): 13141271

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 311, 325, 625, 715, 1375, 1555, 1625, 3421, 3575, 4043, 6875, 7775, 8125, 17105, 17875, 20215, 38875, 44473, 85525, 89375, 101075, 194375, 222365, 427625, 505375, 1111825, 2138125, 2526875, 5559125, 27795625]

約数ペア:

[(1, 27795625), (5, 5559125), (11, 2526875), (13, 2138125), (25, 1111825), (55, 505375), (65, 427625), (125, 222365), (143, 194375), (275, 101075), (311, 89375), (325, 85525), (625, 44473), (715, 38875), (1375, 20215), (1555, 17875), (1625, 17105), (3421, 8125), (3575, 7775), (4043, 6875)]