28836760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42407}}^1$

素因数の和:42435

約数の個数: 32

約数和(自身を含む): 68700960

約数和(自身を除く): 39864200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42407, 84814, 169628, 212035, 339256, 424070, 720919, 848140, 1441838, 1696280, 2883676, 3604595, 5767352, 7209190, 14418380, 28836760]

約数ペア:

[(1, 28836760), (2, 14418380), (4, 7209190), (5, 5767352), (8, 3604595), (10, 2883676), (17, 1696280), (20, 1441838), (34, 848140), (40, 720919), (68, 424070), (85, 339256), (136, 212035), (170, 169628), (340, 84814), (680, 42407)]