31264420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{142111}}^1$

素因数の和:142131

約数の個数: 24

約数和(自身を含む): 71624448

約数和(自身を除く): 40360028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 142111, 284222, 568444, 710555, 1421110, 1563221, 2842220, 3126442, 6252884, 7816105, 15632210, 31264420]

約数ペア:

[(1, 31264420), (2, 15632210), (4, 7816105), (5, 6252884), (10, 3126442), (11, 2842220), (20, 1563221), (22, 1421110), (44, 710555), (55, 568444), (110, 284222), (220, 142111)]