51506320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^2$

素因数の和:340

約数の個数: 60

約数和(自身を含む): 124718580

約数和(自身を除く): 73212260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 149, 232, 290, 298, 464, 580, 596, 745, 1160, 1192, 1490, 2320, 2384, 2980, 4321, 5960, 8642, 11920, 17284, 21605, 22201, 34568, 43210, 44402, 69136, 86420, 88804, 111005, 172840, 177608, 222010, 345680, 355216, 444020, 643829, 888040, 1287658, 1776080, 2575316, 3219145, 5150632, 6438290, 10301264, 12876580, 25753160, 51506320]

約数ペア:

[(1, 51506320), (2, 25753160), (4, 12876580), (5, 10301264), (8, 6438290), (10, 5150632), (16, 3219145), (20, 2575316), (29, 1776080), (40, 1287658), (58, 888040), (80, 643829), (116, 444020), (145, 355216), (149, 345680), (232, 222010), (290, 177608), (298, 172840), (464, 111005), (580, 88804), (596, 86420), (745, 69136), (1160, 44402), (1192, 43210), (1490, 34568), (2320, 22201), (2384, 21605), (2980, 17284), (4321, 11920), (5960, 8642)]