55640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 136080

約数和(自身を除く): 80440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1391, 2140, 2782, 4280, 5564, 6955, 11128, 13910, 27820, 55640]

約数ペア:

[(1, 55640), (2, 27820), (4, 13910), (5, 11128), (8, 6955), (10, 5564), (13, 4280), (20, 2782), (26, 2140), (40, 1391), (52, 1070), (65, 856), (104, 535), (107, 520), (130, 428), (214, 260)]