78450625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{11411}}^1$

素因数の和:11442

約数の個数: 20

約数和(自身を含む): 106953264

約数和(自身を除く): 28502639

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 6875, 11411, 57055, 125521, 285275, 627605, 1426375, 3138025, 7131875, 15690125, 78450625]

約数ペア:

[(1, 78450625), (5, 15690125), (11, 7131875), (25, 3138025), (55, 1426375), (125, 627605), (275, 285275), (625, 125521), (1375, 57055), (6875, 11411)]