63189640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{15641}}^1$

素因数の和:15753

約数の個数: 32

約数和(自身を含む): 143593560

約数和(自身を除く): 80403920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 15641, 31282, 62564, 78205, 125128, 156410, 312820, 625640, 1579741, 3159482, 6318964, 7898705, 12637928, 15797410, 31594820, 63189640]

約数ペア:

[(1, 63189640), (2, 31594820), (4, 15797410), (5, 12637928), (8, 7898705), (10, 6318964), (20, 3159482), (40, 1579741), (101, 625640), (202, 312820), (404, 156410), (505, 125128), (808, 78205), (1010, 62564), (2020, 31282), (4040, 15641)]