12786040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18803}}^1$

素因数の和:18831

約数の個数: 32

約数和(自身を含む): 30462480

約数和(自身を除く): 17676440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 18803, 37606, 75212, 94015, 150424, 188030, 319651, 376060, 639302, 752120, 1278604, 1598255, 2557208, 3196510, 6393020, 12786040]

約数ペア:

[(1, 12786040), (2, 6393020), (4, 3196510), (5, 2557208), (8, 1598255), (10, 1278604), (17, 752120), (20, 639302), (34, 376060), (40, 319651), (68, 188030), (85, 150424), (136, 94015), (170, 75212), (340, 37606), (680, 18803)]