26620640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9787}}^1$

素因数の和:9819

約数の個数: 48

約数和(自身を含む): 66597552

約数和(自身を除く): 39976912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 9787, 19574, 39148, 48935, 78296, 97870, 156592, 166379, 195740, 313184, 332758, 391480, 665516, 782960, 831895, 1331032, 1565920, 1663790, 2662064, 3327580, 5324128, 6655160, 13310320, 26620640]

約数ペア:

[(1, 26620640), (2, 13310320), (4, 6655160), (5, 5324128), (8, 3327580), (10, 2662064), (16, 1663790), (17, 1565920), (20, 1331032), (32, 831895), (34, 782960), (40, 665516), (68, 391480), (80, 332758), (85, 313184), (136, 195740), (160, 166379), (170, 156592), (272, 97870), (340, 78296), (544, 48935), (680, 39148), (1360, 19574), (2720, 9787)]