38520625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 56681856

約数和(自身を除く): 18161231

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 431, 625, 715, 1375, 1625, 2155, 3575, 4741, 5603, 6875, 8125, 10775, 17875, 23705, 28015, 53875, 61633, 89375, 118525, 140075, 269375, 308165, 592625, 700375, 1540825, 2963125, 3501875, 7704125, 38520625]

約数ペア:

[(1, 38520625), (5, 7704125), (11, 3501875), (13, 2963125), (25, 1540825), (55, 700375), (65, 592625), (125, 308165), (143, 269375), (275, 140075), (325, 118525), (431, 89375), (625, 61633), (715, 53875), (1375, 28015), (1625, 23705), (2155, 17875), (3575, 10775), (4741, 8125), (5603, 6875)]