28215847480

素因数分解:

$2^3\times 5^1\times {\mathrm{705396187}}^1$

素因数の和:705396198

約数の個数: 16

約数和(自身を含む): 63485656920

約数和(自身を除く): 35269809440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 705396187, 1410792374, 2821584748, 3526980935, 5643169496, 7053961870, 14107923740, 28215847480]

約数ペア:

[(1, 28215847480), (2, 14107923740), (4, 7053961870), (5, 5643169496), (8, 3526980935), (10, 2821584748), (20, 1410792374), (40, 705396187)]