7992220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6551}}^1$

素因数の和:6621

約数の個数: 24

約数和(自身を含む): 17061408

約数和(自身を除く): 9069188

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 6551, 13102, 26204, 32755, 65510, 131020, 399611, 799222, 1598444, 1998055, 3996110, 7992220]

約数ペア:

[(1, 7992220), (2, 3996110), (4, 1998055), (5, 1598444), (10, 799222), (20, 399611), (61, 131020), (122, 65510), (244, 32755), (305, 26204), (610, 13102), (1220, 6551)]