28741220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84533}}^1$

素因数の和:84559

約数の個数: 24

約数和(自身を含む): 63907704

約数和(自身を除く): 35166484

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84533, 169066, 338132, 422665, 845330, 1437061, 1690660, 2874122, 5748244, 7185305, 14370610, 28741220]

約数ペア:

[(1, 28741220), (2, 14370610), (4, 7185305), (5, 5748244), (10, 2874122), (17, 1690660), (20, 1437061), (34, 845330), (68, 422665), (85, 338132), (170, 169066), (340, 84533)]