81363125

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{67}}^2$

素因数の和:183

約数の個数: 30

約数和(自身を含む): 106770510

約数和(自身を除く): 25407385

約数列:

[1, 5, 25, 29, 67, 125, 145, 335, 625, 725, 1675, 1943, 3625, 4489, 8375, 9715, 18125, 22445, 41875, 48575, 112225, 130181, 242875, 561125, 650905, 1214375, 2805625, 3254525, 16272625, 81363125]

約数ペア:

[(1, 81363125), (5, 16272625), (25, 3254525), (29, 2805625), (67, 1214375), (125, 650905), (145, 561125), (335, 242875), (625, 130181), (725, 112225), (1675, 48575), (1943, 41875), (3625, 22445), (4489, 18125), (8375, 9715)]