68854160

素因数分解:

$2^4\times 5^1\times {\mathrm{853}}^1\times {\mathrm{1009}}^1$

素因数の和:1875

約数の個数: 40

約数和(自身を含む): 160432440

約数和(自身を除く): 91578280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 853, 1009, 1706, 2018, 3412, 4036, 4265, 5045, 6824, 8072, 8530, 10090, 13648, 16144, 17060, 20180, 34120, 40360, 68240, 80720, 860677, 1721354, 3442708, 4303385, 6885416, 8606770, 13770832, 17213540, 34427080, 68854160]

約数ペア:

[(1, 68854160), (2, 34427080), (4, 17213540), (5, 13770832), (8, 8606770), (10, 6885416), (16, 4303385), (20, 3442708), (40, 1721354), (80, 860677), (853, 80720), (1009, 68240), (1706, 40360), (2018, 34120), (3412, 20180), (4036, 17060), (4265, 16144), (5045, 13648), (6824, 10090), (8072, 8530)]