54547280

素因数分解:

$2^4\times 5^1\times {\mathrm{681841}}^1$

素因数の和:681854

約数の個数: 20

約数和(自身を含む): 126822612

約数和(自身を除く): 72275332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 681841, 1363682, 2727364, 3409205, 5454728, 6818410, 10909456, 13636820, 27273640, 54547280]

約数ペア:

[(1, 54547280), (2, 27273640), (4, 13636820), (5, 10909456), (8, 6818410), (10, 5454728), (16, 3409205), (20, 2727364), (40, 1363682), (80, 681841)]