51392080

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1129}}^1$

素因数の和:1711

約数の個数: 40

約数和(自身を含む): 119802600

約数和(自身を除く): 68410520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1129, 1138, 2258, 2276, 2845, 4516, 4552, 5645, 5690, 9032, 9104, 11290, 11380, 18064, 22580, 22760, 45160, 45520, 90320, 642401, 1284802, 2569604, 3212005, 5139208, 6424010, 10278416, 12848020, 25696040, 51392080]

約数ペア:

[(1, 51392080), (2, 25696040), (4, 12848020), (5, 10278416), (8, 6424010), (10, 5139208), (16, 3212005), (20, 2569604), (40, 1284802), (80, 642401), (569, 90320), (1129, 45520), (1138, 45160), (2258, 22760), (2276, 22580), (2845, 18064), (4516, 11380), (4552, 11290), (5645, 9104), (5690, 9032)]