80491924220

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4974779}}^1$

素因数の和:4975597

約数の個数: 24

約数和(自身を含む): 169242015600

約数和(自身を除く): 88750091380

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 4974779, 9949558, 19899116, 24873895, 49747790, 99495580, 4024596211, 8049192422, 16098384844, 20122981055, 40245962110, 80491924220]

約数ペア:

[(1, 80491924220), (2, 40245962110), (4, 20122981055), (5, 16098384844), (10, 8049192422), (20, 4024596211), (809, 99495580), (1618, 49747790), (3236, 24873895), (4045, 19899116), (8090, 9949558), (16180, 4974779)]