127931240

素因数分解:

$2^3\times 5^1\times {\mathrm{3198281}}^1$

素因数の和:3198292

約数の個数: 16

約数和(自身を含む): 287845380

約数和(自身を除く): 159914140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3198281, 6396562, 12793124, 15991405, 25586248, 31982810, 63965620, 127931240]

約数ペア:

[(1, 127931240), (2, 63965620), (4, 31982810), (5, 25586248), (8, 15991405), (10, 12793124), (20, 6396562), (40, 3198281)]