40512760

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8963}}^1$

素因数の和:9087

約数の個数: 32

約数和(自身を含む): 91970640

約数和(自身を除く): 51457880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 8963, 17926, 35852, 44815, 71704, 89630, 179260, 358520, 1012819, 2025638, 4051276, 5064095, 8102552, 10128190, 20256380, 40512760]

約数ペア:

[(1, 40512760), (2, 20256380), (4, 10128190), (5, 8102552), (8, 5064095), (10, 4051276), (20, 2025638), (40, 1012819), (113, 358520), (226, 179260), (452, 89630), (565, 71704), (904, 44815), (1130, 35852), (2260, 17926), (4520, 8963)]