8679940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4297}}^1$

素因数の和:4407

約数の個数: 24

約数和(自身を含む): 18412632

約数和(自身を除く): 9732692

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4297, 8594, 17188, 21485, 42970, 85940, 433997, 867994, 1735988, 2169985, 4339970, 8679940]

約数ペア:

[(1, 8679940), (2, 4339970), (4, 2169985), (5, 1735988), (10, 867994), (20, 433997), (101, 85940), (202, 42970), (404, 21485), (505, 17188), (1010, 8594), (2020, 4297)]