68340680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{100501}}^1$

素因数の和:100529

約数の個数: 32

約数和(自身を含む): 162813240

約数和(自身を除く): 94472560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 100501, 201002, 402004, 502505, 804008, 1005010, 1708517, 2010020, 3417034, 4020040, 6834068, 8542585, 13668136, 17085170, 34170340, 68340680]

約数ペア:

[(1, 68340680), (2, 34170340), (4, 17085170), (5, 13668136), (8, 8542585), (10, 6834068), (17, 4020040), (20, 3417034), (34, 2010020), (40, 1708517), (68, 1005010), (85, 804008), (136, 502505), (170, 402004), (340, 201002), (680, 100501)]