83815280

素因数分解:

$2^4\times 5^1\times {\mathrm{1047691}}^1$

素因数の和:1047704

約数の個数: 20

約数和(自身を含む): 194870712

約数和(自身を除く): 111055432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1047691, 2095382, 4190764, 5238455, 8381528, 10476910, 16763056, 20953820, 41907640, 83815280]

約数ペア:

[(1, 83815280), (2, 41907640), (4, 20953820), (5, 16763056), (8, 10476910), (10, 8381528), (16, 5238455), (20, 4190764), (40, 2095382), (80, 1047691)]