78860660

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{9833}}^1$

素因数の和:10243

約数の個数: 24

約数和(自身を含む): 166037256

約数和(自身を除く): 87176596

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 9833, 19666, 39332, 49165, 98330, 196660, 3943033, 7886066, 15772132, 19715165, 39430330, 78860660]

約数ペア:

[(1, 78860660), (2, 39430330), (4, 19715165), (5, 15772132), (10, 7886066), (20, 3943033), (401, 196660), (802, 98330), (1604, 49165), (2005, 39332), (4010, 19666), (8020, 9833)]