42214420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51481}}^1$

素因数の和:51531

約数の個数: 24

約数和(自身を含む): 90814248

約数和(自身を除く): 48599828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 51481, 102962, 205924, 257405, 514810, 1029620, 2110721, 4221442, 8442884, 10553605, 21107210, 42214420]

約数ペア:

[(1, 42214420), (2, 21107210), (4, 10553605), (5, 8442884), (10, 4221442), (20, 2110721), (41, 1029620), (82, 514810), (164, 257405), (205, 205924), (410, 102962), (820, 51481)]