200668520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{385901}}^1$

素因数の和:385925

約数の個数: 32

約数和(自身を含む): 486236520

約数和(自身を除く): 285568000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 385901, 771802, 1543604, 1929505, 3087208, 3859010, 5016713, 7718020, 10033426, 15436040, 20066852, 25083565, 40133704, 50167130, 100334260, 200668520]

約数ペア:

[(1, 200668520), (2, 100334260), (4, 50167130), (5, 40133704), (8, 25083565), (10, 20066852), (13, 15436040), (20, 10033426), (26, 7718020), (40, 5016713), (52, 3859010), (65, 3087208), (104, 1929505), (130, 1543604), (260, 771802), (520, 385901)]