28683080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42181}}^1$

素因数の和:42209

約数の個数: 32

約数和(自身を含む): 68334840

約数和(自身を除く): 39651760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42181, 84362, 168724, 210905, 337448, 421810, 717077, 843620, 1434154, 1687240, 2868308, 3585385, 5736616, 7170770, 14341540, 28683080]

約数ペア:

[(1, 28683080), (2, 14341540), (4, 7170770), (5, 5736616), (8, 3585385), (10, 2868308), (17, 1687240), (20, 1434154), (34, 843620), (40, 717077), (68, 421810), (85, 337448), (136, 210905), (170, 168724), (340, 84362), (680, 42181)]