28013620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82393}}^1$

素因数の和:82419

約数の個数: 24

約数和(自身を含む): 62289864

約数和(自身を除く): 34276244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 82393, 164786, 329572, 411965, 823930, 1400681, 1647860, 2801362, 5602724, 7003405, 14006810, 28013620]

約数ペア:

[(1, 28013620), (2, 14006810), (4, 7003405), (5, 5602724), (10, 2801362), (17, 1647860), (20, 1400681), (34, 823930), (68, 411965), (85, 329572), (170, 164786), (340, 82393)]