49737680

素因数分解:

$2^4\times 5^1\times {\mathrm{621721}}^1$

素因数の和:621734

約数の個数: 20

約数和(自身を含む): 115640292

約数和(自身を除く): 65902612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 621721, 1243442, 2486884, 3108605, 4973768, 6217210, 9947536, 12434420, 24868840, 49737680]

約数ペア:

[(1, 49737680), (2, 24868840), (4, 12434420), (5, 9947536), (8, 6217210), (10, 4973768), (16, 3108605), (20, 2486884), (40, 1243442), (80, 621721)]