39680540

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2521}}^1$

素因数の和:3317

約数の個数: 24

約数和(自身を含む): 83468112

約数和(自身を除く): 43787572

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 2521, 3148, 3935, 5042, 7870, 10084, 12605, 15740, 25210, 50420, 1984027, 3968054, 7936108, 9920135, 19840270, 39680540]

約数ペア:

[(1, 39680540), (2, 19840270), (4, 9920135), (5, 7936108), (10, 3968054), (20, 1984027), (787, 50420), (1574, 25210), (2521, 15740), (3148, 12605), (3935, 10084), (5042, 7870)]