202412920

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{17881}}^1$

素因数の和:18175

約数の個数: 32

約数和(自身を含む): 457063920

約数和(自身を除く): 254651000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 17881, 35762, 71524, 89405, 143048, 178810, 357620, 715240, 5060323, 10120646, 20241292, 25301615, 40482584, 50603230, 101206460, 202412920]

約数ペア:

[(1, 202412920), (2, 101206460), (4, 50603230), (5, 40482584), (8, 25301615), (10, 20241292), (20, 10120646), (40, 5060323), (283, 715240), (566, 357620), (1132, 178810), (1415, 143048), (2264, 89405), (2830, 71524), (5660, 35762), (11320, 17881)]