71995625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{8861}}^1$

素因数の和:8894

約数の個数: 20

約数和(自身を含む): 96897108

約数和(自身を除く): 24901483

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 8861, 44305, 115193, 221525, 575965, 1107625, 2879825, 5538125, 14399125, 71995625]

約数ペア:

[(1, 71995625), (5, 14399125), (13, 5538125), (25, 2879825), (65, 1107625), (125, 575965), (325, 221525), (625, 115193), (1625, 44305), (8125, 8861)]