13257640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1039}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 33696000

約数和(自身を除く): 20438360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1039, 1160, 1276, 1595, 2078, 2552, 3190, 4156, 5195, 6380, 8312, 10390, 11429, 12760, 20780, 22858, 30131, 41560, 45716, 57145, 60262, 91432, 114290, 120524, 150655, 228580, 241048, 301310, 331441, 457160, 602620, 662882, 1205240, 1325764, 1657205, 2651528, 3314410, 6628820, 13257640]

約数ペア:

[(1, 13257640), (2, 6628820), (4, 3314410), (5, 2651528), (8, 1657205), (10, 1325764), (11, 1205240), (20, 662882), (22, 602620), (29, 457160), (40, 331441), (44, 301310), (55, 241048), (58, 228580), (88, 150655), (110, 120524), (116, 114290), (145, 91432), (220, 60262), (232, 57145), (290, 45716), (319, 41560), (440, 30131), (580, 22858), (638, 20780), (1039, 12760), (1160, 11429), (1276, 10390), (1595, 8312), (2078, 6380), (2552, 5195), (3190, 4156)]