38464840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9521}}^1$

素因数の和:9633

約数の個数: 32

約数和(自身を含む): 87411960

約数和(自身を除く): 48947120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 9521, 19042, 38084, 47605, 76168, 95210, 190420, 380840, 961621, 1923242, 3846484, 4808105, 7692968, 9616210, 19232420, 38464840]

約数ペア:

[(1, 38464840), (2, 19232420), (4, 9616210), (5, 7692968), (8, 4808105), (10, 3846484), (20, 1923242), (40, 961621), (101, 380840), (202, 190420), (404, 95210), (505, 76168), (808, 47605), (1010, 38084), (2020, 19042), (4040, 9521)]