51057080

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2621}}^1$

素因数の和:3119

約数の個数: 32

約数和(自身を含む): 115158240

約数和(自身を除く): 64101160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 2621, 3896, 4870, 5242, 9740, 10484, 13105, 19480, 20968, 26210, 52420, 104840, 1276427, 2552854, 5105708, 6382135, 10211416, 12764270, 25528540, 51057080]

約数ペア:

[(1, 51057080), (2, 25528540), (4, 12764270), (5, 10211416), (8, 6382135), (10, 5105708), (20, 2552854), (40, 1276427), (487, 104840), (974, 52420), (1948, 26210), (2435, 20968), (2621, 19480), (3896, 13105), (4870, 10484), (5242, 9740)]