8640264

素因数分解:

$2^3\times 3^1\times {\mathrm{521}}^1\times {\mathrm{691}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 21673440

約数和(自身を除く): 13033176

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 521, 691, 1042, 1382, 1563, 2073, 2084, 2764, 3126, 4146, 4168, 5528, 6252, 8292, 12504, 16584, 360011, 720022, 1080033, 1440044, 2160066, 2880088, 4320132, 8640264]

約数ペア:

[(1, 8640264), (2, 4320132), (3, 2880088), (4, 2160066), (6, 1440044), (8, 1080033), (12, 720022), (24, 360011), (521, 16584), (691, 12504), (1042, 8292), (1382, 6252), (1563, 5528), (2073, 4168), (2084, 4146), (2764, 3126)]