27720409690

素因数分解:

$2^1\times 5^1\times {\mathrm{2239}}^1\times {\mathrm{1238071}}^1$

素因数の和:1240317

約数の個数: 16

約数和(自身を含む): 49919063040

約数和(自身を除く): 22198653350

約数列:

[1, 2, 5, 10, 2239, 4478, 11195, 22390, 1238071, 2476142, 6190355, 12380710, 2772040969, 5544081938, 13860204845, 27720409690]

約数ペア:

[(1, 27720409690), (2, 13860204845), (5, 5544081938), (10, 2772040969), (2239, 12380710), (4478, 6190355), (11195, 2476142), (22390, 1238071)]