28257625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{20551}}^1$

素因数の和:20577

約数の個数: 16

約数和(自身を含む): 38473344

約数和(自身を除く): 10215719

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 20551, 102755, 226061, 513775, 1130305, 2568875, 5651525, 28257625]

約数ペア:

[(1, 28257625), (5, 5651525), (11, 2568875), (25, 1130305), (55, 513775), (125, 226061), (275, 102755), (1375, 20551)]