38961680

素因数分解:

$2^4\times 5^1\times {\mathrm{487021}}^1$

素因数の和:487034

約数の個数: 20

約数和(自身を含む): 90586092

約数和(自身を除く): 51624412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487021, 974042, 1948084, 2435105, 3896168, 4870210, 7792336, 9740420, 19480840, 38961680]

約数ペア:

[(1, 38961680), (2, 19480840), (4, 9740420), (5, 7792336), (8, 4870210), (10, 3896168), (16, 2435105), (20, 1948084), (40, 974042), (80, 487021)]