13409240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 32931360

約数和(自身を除く): 19522120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 241, 260, 428, 482, 520, 535, 856, 964, 1070, 1205, 1391, 1928, 2140, 2410, 2782, 3133, 4280, 4820, 5564, 6266, 6955, 9640, 11128, 12532, 13910, 15665, 25064, 25787, 27820, 31330, 51574, 55640, 62660, 103148, 125320, 128935, 206296, 257870, 335231, 515740, 670462, 1031480, 1340924, 1676155, 2681848, 3352310, 6704620, 13409240]

約数ペア:

[(1, 13409240), (2, 6704620), (4, 3352310), (5, 2681848), (8, 1676155), (10, 1340924), (13, 1031480), (20, 670462), (26, 515740), (40, 335231), (52, 257870), (65, 206296), (104, 128935), (107, 125320), (130, 103148), (214, 62660), (241, 55640), (260, 51574), (428, 31330), (482, 27820), (520, 25787), (535, 25064), (856, 15665), (964, 13910), (1070, 12532), (1205, 11128), (1391, 9640), (1928, 6955), (2140, 6266), (2410, 5564), (2782, 4820), (3133, 4280)]