28038440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41233}}^1$

素因数の和:41261

約数の個数: 32

約数和(自身を含む): 66799080

約数和(自身を除く): 38760640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41233, 82466, 164932, 206165, 329864, 412330, 700961, 824660, 1401922, 1649320, 2803844, 3504805, 5607688, 7009610, 14019220, 28038440]

約数ペア:

[(1, 28038440), (2, 14019220), (4, 7009610), (5, 5607688), (8, 3504805), (10, 2803844), (17, 1649320), (20, 1401922), (34, 824660), (40, 700961), (68, 412330), (85, 329864), (136, 206165), (170, 164932), (340, 82466), (680, 41233)]