13781960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^2$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 32375700

約数和(自身を除く): 18593740

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 109, 116, 145, 218, 232, 290, 436, 545, 580, 872, 1090, 1160, 2180, 3161, 4360, 6322, 11881, 12644, 15805, 23762, 25288, 31610, 47524, 59405, 63220, 95048, 118810, 126440, 237620, 344549, 475240, 689098, 1378196, 1722745, 2756392, 3445490, 6890980, 13781960]

約数ペア:

[(1, 13781960), (2, 6890980), (4, 3445490), (5, 2756392), (8, 1722745), (10, 1378196), (20, 689098), (29, 475240), (40, 344549), (58, 237620), (109, 126440), (116, 118810), (145, 95048), (218, 63220), (232, 59405), (290, 47524), (436, 31610), (545, 25288), (580, 23762), (872, 15805), (1090, 12644), (1160, 11881), (2180, 6322), (3161, 4360)]