610467640

素因数分解:

$2^3\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{10909}}^1$

素因数の和:12319

約数の個数: 32

約数和(自身を含む): 1374660000

約数和(自身を除く): 764192360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1399, 2798, 5596, 6995, 10909, 11192, 13990, 21818, 27980, 43636, 54545, 55960, 87272, 109090, 218180, 436360, 15261691, 30523382, 61046764, 76308455, 122093528, 152616910, 305233820, 610467640]

約数ペア:

[(1, 610467640), (2, 305233820), (4, 152616910), (5, 122093528), (8, 76308455), (10, 61046764), (20, 30523382), (40, 15261691), (1399, 436360), (2798, 218180), (5596, 109090), (6995, 87272), (10909, 55960), (11192, 54545), (13990, 43636), (21818, 27980)]