2019446980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1278131}}^1$

素因数の和:1278219

約数の個数: 24

約数和(自身を含む): 4294523520

約数和(自身を除く): 2275076540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1278131, 2556262, 5112524, 6390655, 12781310, 25562620, 100972349, 201944698, 403889396, 504861745, 1009723490, 2019446980]

約数ペア:

[(1, 2019446980), (2, 1009723490), (4, 504861745), (5, 403889396), (10, 201944698), (20, 100972349), (79, 25562620), (158, 12781310), (316, 6390655), (395, 5112524), (790, 2556262), (1580, 1278131)]