544375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:100

約数の個数: 20

約数和(自身を含む): 743512

約数和(自身を除く): 199137

約数列:

[1, 5, 13, 25, 65, 67, 125, 325, 335, 625, 871, 1625, 1675, 4355, 8125, 8375, 21775, 41875, 108875, 544375]

約数ペア:

[(1, 544375), (5, 108875), (13, 41875), (25, 21775), (65, 8375), (67, 8125), (125, 4355), (325, 1675), (335, 1625), (625, 871)]