201448820

素因数分解:

$2^2\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{6379}}^1$

素因数の和:7967

約数の個数: 24

約数和(自身を含む): 423376800

約数和(自身を除く): 221927980

約数列:

[1, 2, 4, 5, 10, 20, 1579, 3158, 6316, 6379, 7895, 12758, 15790, 25516, 31580, 31895, 63790, 127580, 10072441, 20144882, 40289764, 50362205, 100724410, 201448820]

約数ペア:

[(1, 201448820), (2, 100724410), (4, 50362205), (5, 40289764), (10, 20144882), (20, 10072441), (1579, 127580), (3158, 63790), (6316, 31895), (6379, 31580), (7895, 25516), (12758, 15790)]