121255280

素因数分解:

$2^4\times 5^1\times {\mathrm{1515691}}^1$

素因数の和:1515704

約数の個数: 20

約数和(自身を含む): 281918712

約数和(自身を除く): 160663432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1515691, 3031382, 6062764, 7578455, 12125528, 15156910, 24251056, 30313820, 60627640, 121255280]

約数ペア:

[(1, 121255280), (2, 60627640), (4, 30313820), (5, 24251056), (8, 15156910), (10, 12125528), (16, 7578455), (20, 6062764), (40, 3031382), (80, 1515691)]