9742420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^2$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 21152124

約数和(自身を除く): 11409704

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 1090, 2180, 4469, 8938, 11881, 17876, 22345, 23762, 44690, 47524, 59405, 89380, 118810, 237620, 487121, 974242, 1948484, 2435605, 4871210, 9742420]

約数ペア:

[(1, 9742420), (2, 4871210), (4, 2435605), (5, 1948484), (10, 974242), (20, 487121), (41, 237620), (82, 118810), (109, 89380), (164, 59405), (205, 47524), (218, 44690), (410, 23762), (436, 22345), (545, 17876), (820, 11881), (1090, 8938), (2180, 4469)]