51309640

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{8609}}^1$

素因数の和:8769

約数の個数: 32

約数和(自身を含む): 116235000

約数和(自身を除く): 64925360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 8609, 17218, 34436, 43045, 68872, 86090, 172180, 344360, 1282741, 2565482, 5130964, 6413705, 10261928, 12827410, 25654820, 51309640]

約数ペア:

[(1, 51309640), (2, 25654820), (4, 12827410), (5, 10261928), (8, 6413705), (10, 5130964), (20, 2565482), (40, 1282741), (149, 344360), (298, 172180), (596, 86090), (745, 68872), (1192, 43045), (1490, 34436), (2980, 17218), (5960, 8609)]