56807980

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{3511}}^1$

素因数の和:4329

約数の個数: 24

約数和(自身を含む): 119478240

約数和(自身を除く): 62670260

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 3511, 4045, 7022, 8090, 14044, 16180, 17555, 35110, 70220, 2840399, 5680798, 11361596, 14201995, 28403990, 56807980]

約数ペア:

[(1, 56807980), (2, 28403990), (4, 14201995), (5, 11361596), (10, 5680798), (20, 2840399), (809, 70220), (1618, 35110), (3236, 17555), (3511, 16180), (4045, 14044), (7022, 8090)]