28143160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41387}}^1$

素因数の和:41415

約数の個数: 32

約数和(自身を含む): 67048560

約数和(自身を除く): 38905400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41387, 82774, 165548, 206935, 331096, 413870, 703579, 827740, 1407158, 1655480, 2814316, 3517895, 5628632, 7035790, 14071580, 28143160]

約数ペア:

[(1, 28143160), (2, 14071580), (4, 7035790), (5, 5628632), (8, 3517895), (10, 2814316), (17, 1655480), (20, 1407158), (34, 827740), (40, 703579), (68, 413870), (85, 331096), (136, 206935), (170, 165548), (340, 82774), (680, 41387)]