221544768080

素因数分解:

$2^4\times 5^1\times {\mathrm{2769309601}}^1$

素因数の和:2769309614

約数の個数: 20

約数和(自身を含む): 515091585972

約数和(自身を除く): 293546817892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2769309601, 5538619202, 11077238404, 13846548005, 22154476808, 27693096010, 44308953616, 55386192020, 110772384040, 221544768080]

約数ペア:

[(1, 221544768080), (2, 110772384040), (4, 55386192020), (5, 44308953616), (8, 27693096010), (10, 22154476808), (16, 13846548005), (20, 11077238404), (40, 5538619202), (80, 2769309601)]