12876580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^2$

素因数の和:336

約数の個数: 36

約数和(自身を含む): 28162260

約数和(自身を除く): 15285680

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2980, 4321, 8642, 17284, 21605, 22201, 43210, 44402, 86420, 88804, 111005, 222010, 444020, 643829, 1287658, 2575316, 3219145, 6438290, 12876580]

約数ペア:

[(1, 12876580), (2, 6438290), (4, 3219145), (5, 2575316), (10, 1287658), (20, 643829), (29, 444020), (58, 222010), (116, 111005), (145, 88804), (149, 86420), (290, 44402), (298, 43210), (580, 22201), (596, 21605), (745, 17284), (1490, 8642), (2980, 4321)]