164826320

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18233}}^1$

素因数の和:18359

約数の個数: 40

約数和(自身を含む): 386633736

約数和(自身を除く): 221807416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 18233, 36466, 72932, 91165, 145864, 182330, 291728, 364660, 729320, 1458640, 2060329, 4120658, 8241316, 10301645, 16482632, 20603290, 32965264, 41206580, 82413160, 164826320]

約数ペア:

[(1, 164826320), (2, 82413160), (4, 41206580), (5, 32965264), (8, 20603290), (10, 16482632), (16, 10301645), (20, 8241316), (40, 4120658), (80, 2060329), (113, 1458640), (226, 729320), (452, 364660), (565, 291728), (904, 182330), (1130, 145864), (1808, 91165), (2260, 72932), (4520, 36466), (9040, 18233)]