81040175

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1109}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 104606400

約数和(自身を除く): 23566225

約数列:

[1, 5, 25, 37, 79, 185, 395, 925, 1109, 1975, 2923, 5545, 14615, 27725, 41033, 73075, 87611, 205165, 438055, 1025825, 2190275, 3241607, 16208035, 81040175]

約数ペア:

[(1, 81040175), (5, 16208035), (25, 3241607), (37, 2190275), (79, 1025825), (185, 438055), (395, 205165), (925, 87611), (1109, 73075), (1975, 41033), (2923, 27725), (5545, 14615)]