40246420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49081}}^1$

素因数の和:49131

約数の個数: 24

約数和(自身を含む): 86580648

約数和(自身を除く): 46334228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 49081, 98162, 196324, 245405, 490810, 981620, 2012321, 4024642, 8049284, 10061605, 20123210, 40246420]

約数ペア:

[(1, 40246420), (2, 20123210), (4, 10061605), (5, 8049284), (10, 4024642), (20, 2012321), (41, 981620), (82, 490810), (164, 245405), (205, 196324), (410, 98162), (820, 49081)]