2018257540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{72547}}^1$

素因数の和:72676

約数の個数: 48

約数和(自身を含む): 4607088192

約数和(自身を除く): 2588830652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 2140, 2782, 5564, 6955, 13910, 27820, 72547, 145094, 290188, 362735, 725470, 943111, 1450940, 1886222, 3772444, 4715555, 7762529, 9431110, 15525058, 18862220, 31050116, 38812645, 77625290, 100912877, 155250580, 201825754, 403651508, 504564385, 1009128770, 2018257540]

約数ペア:

[(1, 2018257540), (2, 1009128770), (4, 504564385), (5, 403651508), (10, 201825754), (13, 155250580), (20, 100912877), (26, 77625290), (52, 38812645), (65, 31050116), (107, 18862220), (130, 15525058), (214, 9431110), (260, 7762529), (428, 4715555), (535, 3772444), (1070, 1886222), (1391, 1450940), (2140, 943111), (2782, 725470), (5564, 362735), (6955, 290188), (13910, 145094), (27820, 72547)]