620216720

素因数分解:

$2^4\times 5^1\times {\mathrm{7752709}}^1$

素因数の和:7752722

約数の個数: 20

約数和(自身を含む): 1442004060

約数和(自身を除く): 821787340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7752709, 15505418, 31010836, 38763545, 62021672, 77527090, 124043344, 155054180, 310108360, 620216720]

約数ペア:

[(1, 620216720), (2, 310108360), (4, 155054180), (5, 124043344), (8, 77527090), (10, 62021672), (16, 38763545), (20, 31010836), (40, 15505418), (80, 7752709)]