51122960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91291}}^1$

素因数の和:91311

約数の個数: 40

約数和(自身を含む): 135842496

約数和(自身を除く): 84719536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91291, 182582, 365164, 456455, 639037, 730328, 912910, 1278074, 1460656, 1825820, 2556148, 3195185, 3651640, 5112296, 6390370, 7303280, 10224592, 12780740, 25561480, 51122960]

約数ペア:

[(1, 51122960), (2, 25561480), (4, 12780740), (5, 10224592), (7, 7303280), (8, 6390370), (10, 5112296), (14, 3651640), (16, 3195185), (20, 2556148), (28, 1825820), (35, 1460656), (40, 1278074), (56, 912910), (70, 730328), (80, 639037), (112, 456455), (140, 365164), (280, 182582), (560, 91291)]