28515800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8387}}^1$

素因数の和:8420

約数の個数: 48

約数和(自身を含む): 70207560

約数和(自身を除く): 41691760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 8387, 16774, 33548, 41935, 67096, 83870, 142579, 167740, 209675, 285158, 335480, 419350, 570316, 712895, 838700, 1140632, 1425790, 1677400, 2851580, 3564475, 5703160, 7128950, 14257900, 28515800]

約数ペア:

[(1, 28515800), (2, 14257900), (4, 7128950), (5, 5703160), (8, 3564475), (10, 2851580), (17, 1677400), (20, 1425790), (25, 1140632), (34, 838700), (40, 712895), (50, 570316), (68, 419350), (85, 335480), (100, 285158), (136, 209675), (170, 167740), (200, 142579), (340, 83870), (425, 67096), (680, 41935), (850, 33548), (1700, 16774), (3400, 8387)]