89375

素因数分解:

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

素因数の和:44

約数の個数: 20

約数和(自身を含む): 131208

約数和(自身を除く): 41833

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 625, 715, 1375, 1625, 3575, 6875, 8125, 17875, 89375]

約数ペア:

[(1, 89375), (5, 17875), (11, 8125), (13, 6875), (25, 3575), (55, 1625), (65, 1375), (125, 715), (143, 625), (275, 325)]