66736760

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16519}}^1$

素因数の和:16631

約数の個数: 32

約数和(自身を含む): 151653600

約数和(自身を除く): 84916840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 16519, 33038, 66076, 82595, 132152, 165190, 330380, 660760, 1668419, 3336838, 6673676, 8342095, 13347352, 16684190, 33368380, 66736760]

約数ペア:

[(1, 66736760), (2, 33368380), (4, 16684190), (5, 13347352), (8, 8342095), (10, 6673676), (20, 3336838), (40, 1668419), (101, 660760), (202, 330380), (404, 165190), (505, 132152), (808, 82595), (1010, 66076), (2020, 33038), (4040, 16519)]