66580240

素因数分解:

$2^4\times 5^1\times {\mathrm{832253}}^1$

素因数の和:832266

約数の個数: 20

約数和(自身を含む): 154799244

約数和(自身を除く): 88219004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 832253, 1664506, 3329012, 4161265, 6658024, 8322530, 13316048, 16645060, 33290120, 66580240]

約数ペア:

[(1, 66580240), (2, 33290120), (4, 16645060), (5, 13316048), (8, 8322530), (10, 6658024), (16, 4161265), (20, 3329012), (40, 1664506), (80, 832253)]