39980540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46489}}^1$

素因数の和:46541

約数の個数: 24

約数和(自身を含む): 85913520

約数和(自身を除く): 45932980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 46489, 92978, 185956, 232445, 464890, 929780, 1999027, 3998054, 7996108, 9995135, 19990270, 39980540]

約数ペア:

[(1, 39980540), (2, 19990270), (4, 9995135), (5, 7996108), (10, 3998054), (20, 1999027), (43, 929780), (86, 464890), (172, 232445), (215, 185956), (430, 92978), (860, 46489)]