80461895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{6571}}^1$

素因数の和:6686

約数の個数: 16

約数和(自身を含む): 100945920

約数和(自身を除く): 20484025

約数列:

[1, 5, 31, 79, 155, 395, 2449, 6571, 12245, 32855, 203701, 519109, 1018505, 2595545, 16092379, 80461895]

約数ペア:

[(1, 80461895), (5, 16092379), (31, 2595545), (79, 1018505), (155, 519109), (395, 203701), (2449, 32855), (6571, 12245)]