2005163920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47381}}^1$

素因数の和:47440

約数の個数: 60

約数和(自身を含む): 4873617756

約数和(自身を除く): 2868453836

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 529, 920, 1058, 1840, 2116, 2645, 4232, 5290, 8464, 10580, 21160, 42320, 47381, 94762, 189524, 236905, 379048, 473810, 758096, 947620, 1089763, 1895240, 2179526, 3790480, 4359052, 5448815, 8718104, 10897630, 17436208, 21795260, 25064549, 43590520, 50129098, 87181040, 100258196, 125322745, 200516392, 250645490, 401032784, 501290980, 1002581960, 2005163920]

約数ペア:

[(1, 2005163920), (2, 1002581960), (4, 501290980), (5, 401032784), (8, 250645490), (10, 200516392), (16, 125322745), (20, 100258196), (23, 87181040), (40, 50129098), (46, 43590520), (80, 25064549), (92, 21795260), (115, 17436208), (184, 10897630), (230, 8718104), (368, 5448815), (460, 4359052), (529, 3790480), (920, 2179526), (1058, 1895240), (1840, 1089763), (2116, 947620), (2645, 758096), (4232, 473810), (5290, 379048), (8464, 236905), (10580, 189524), (21160, 94762), (42320, 47381)]