258572080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248627}}^1$

素因数の和:248653

約数の個数: 40

約数和(自身を含む): 647427312

約数和(自身を除く): 388855232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 248627, 497254, 994508, 1243135, 1989016, 2486270, 3232151, 3978032, 4972540, 6464302, 9945080, 12928604, 16160755, 19890160, 25857208, 32321510, 51714416, 64643020, 129286040, 258572080]

約数ペア:

[(1, 258572080), (2, 129286040), (4, 64643020), (5, 51714416), (8, 32321510), (10, 25857208), (13, 19890160), (16, 16160755), (20, 12928604), (26, 9945080), (40, 6464302), (52, 4972540), (65, 3978032), (80, 3232151), (104, 2486270), (130, 1989016), (208, 1243135), (260, 994508), (520, 497254), (1040, 248627)]