12161260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 26611200

約数和(自身を除く): 14449940

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 179, 215, 316, 358, 395, 430, 716, 790, 860, 895, 1580, 1790, 3397, 3580, 6794, 7697, 13588, 14141, 15394, 16985, 28282, 30788, 33970, 38485, 56564, 67940, 70705, 76970, 141410, 153940, 282820, 608063, 1216126, 2432252, 3040315, 6080630, 12161260]

約数ペア:

[(1, 12161260), (2, 6080630), (4, 3040315), (5, 2432252), (10, 1216126), (20, 608063), (43, 282820), (79, 153940), (86, 141410), (158, 76970), (172, 70705), (179, 67940), (215, 56564), (316, 38485), (358, 33970), (395, 30788), (430, 28282), (716, 16985), (790, 15394), (860, 14141), (895, 13588), (1580, 7697), (1790, 6794), (3397, 3580)]