39944420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46447}}^1$

素因数の和:46499

約数の個数: 24

約数和(自身を含む): 85835904

約数和(自身を除く): 45891484

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 46447, 92894, 185788, 232235, 464470, 928940, 1997221, 3994442, 7988884, 9986105, 19972210, 39944420]

約数ペア:

[(1, 39944420), (2, 19972210), (4, 9986105), (5, 7988884), (10, 3994442), (20, 1997221), (43, 928940), (86, 464470), (172, 232235), (215, 185788), (430, 92894), (860, 46447)]