12941240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 32175360

約数和(自身を除く): 19234120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 607, 820, 1066, 1214, 1640, 2132, 2428, 2665, 3035, 4264, 4856, 5330, 6070, 7891, 10660, 12140, 15782, 21320, 24280, 24887, 31564, 39455, 49774, 63128, 78910, 99548, 124435, 157820, 199096, 248870, 315640, 323531, 497740, 647062, 995480, 1294124, 1617655, 2588248, 3235310, 6470620, 12941240]

約数ペア:

[(1, 12941240), (2, 6470620), (4, 3235310), (5, 2588248), (8, 1617655), (10, 1294124), (13, 995480), (20, 647062), (26, 497740), (40, 323531), (41, 315640), (52, 248870), (65, 199096), (82, 157820), (104, 124435), (130, 99548), (164, 78910), (205, 63128), (260, 49774), (328, 39455), (410, 31564), (520, 24887), (533, 24280), (607, 21320), (820, 15782), (1066, 12140), (1214, 10660), (1640, 7891), (2132, 6070), (2428, 5330), (2665, 4856), (3035, 4264)]