63881680

素因数分解:

$2^4\times 5^1\times {\mathrm{798521}}^1$

素因数の和:798534

約数の個数: 20

約数和(自身を含む): 148525092

約数和(自身を除く): 84643412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 798521, 1597042, 3194084, 3992605, 6388168, 7985210, 12776336, 15970420, 31940840, 63881680]

約数ペア:

[(1, 63881680), (2, 31940840), (4, 15970420), (5, 12776336), (8, 7985210), (10, 6388168), (16, 3992605), (20, 3194084), (40, 1597042), (80, 798521)]