12407720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 30481920

約数和(自身を除く): 18074200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 223, 260, 428, 446, 520, 535, 856, 892, 1070, 1115, 1391, 1784, 2140, 2230, 2782, 2899, 4280, 4460, 5564, 5798, 6955, 8920, 11128, 11596, 13910, 14495, 23192, 23861, 27820, 28990, 47722, 55640, 57980, 95444, 115960, 119305, 190888, 238610, 310193, 477220, 620386, 954440, 1240772, 1550965, 2481544, 3101930, 6203860, 12407720]

約数ペア:

[(1, 12407720), (2, 6203860), (4, 3101930), (5, 2481544), (8, 1550965), (10, 1240772), (13, 954440), (20, 620386), (26, 477220), (40, 310193), (52, 238610), (65, 190888), (104, 119305), (107, 115960), (130, 95444), (214, 57980), (223, 55640), (260, 47722), (428, 28990), (446, 27820), (520, 23861), (535, 23192), (856, 14495), (892, 13910), (1070, 11596), (1115, 11128), (1391, 8920), (1784, 6955), (2140, 5798), (2230, 5564), (2782, 4460), (2899, 4280)]