55612180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 127008000

約数和(自身を除く): 71395820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 1999, 2140, 2782, 3998, 5564, 6955, 7996, 9995, 13910, 19990, 25987, 27820, 39980, 51974, 103948, 129935, 213893, 259870, 427786, 519740, 855572, 1069465, 2138930, 2780609, 4277860, 5561218, 11122436, 13903045, 27806090, 55612180]

約数ペア:

[(1, 55612180), (2, 27806090), (4, 13903045), (5, 11122436), (10, 5561218), (13, 4277860), (20, 2780609), (26, 2138930), (52, 1069465), (65, 855572), (107, 519740), (130, 427786), (214, 259870), (260, 213893), (428, 129935), (535, 103948), (1070, 51974), (1391, 39980), (1999, 27820), (2140, 25987), (2782, 19990), (3998, 13910), (5564, 9995), (6955, 7996)]