51931460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12791}}^1$

素因数の和:12836

約数の個数: 48

約数和(自身を含む): 128943360

約数和(自身を除く): 77011900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 12791, 25582, 51164, 63955, 89537, 127910, 179074, 255820, 358148, 370939, 447685, 741878, 895370, 1483756, 1790740, 1854695, 2596573, 3709390, 5193146, 7418780, 10386292, 12982865, 25965730, 51931460]

約数ペア:

[(1, 51931460), (2, 25965730), (4, 12982865), (5, 10386292), (7, 7418780), (10, 5193146), (14, 3709390), (20, 2596573), (28, 1854695), (29, 1790740), (35, 1483756), (58, 895370), (70, 741878), (116, 447685), (140, 370939), (145, 358148), (203, 255820), (290, 179074), (406, 127910), (580, 89537), (812, 63955), (1015, 51164), (2030, 25582), (4060, 12791)]