804351640

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{29101}}^1$

素因数の和:29803

約数の個数: 32

約数和(自身を含む): 1812472560

約数和(自身を除く): 1008120920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 13820, 27640, 29101, 58202, 116404, 145505, 232808, 291010, 582020, 1164040, 20108791, 40217582, 80435164, 100543955, 160870328, 201087910, 402175820, 804351640]

約数ペア:

[(1, 804351640), (2, 402175820), (4, 201087910), (5, 160870328), (8, 100543955), (10, 80435164), (20, 40217582), (40, 20108791), (691, 1164040), (1382, 582020), (2764, 291010), (3455, 232808), (5528, 145505), (6910, 116404), (13820, 58202), (27640, 29101)]