11856820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 27010368

約数和(自身を除く): 15153548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 811, 860, 1462, 1622, 2924, 3244, 3655, 4055, 7310, 8110, 13787, 14620, 16220, 27574, 34873, 55148, 68935, 69746, 137870, 139492, 174365, 275740, 348730, 592841, 697460, 1185682, 2371364, 2964205, 5928410, 11856820]

約数ペア:

[(1, 11856820), (2, 5928410), (4, 2964205), (5, 2371364), (10, 1185682), (17, 697460), (20, 592841), (34, 348730), (43, 275740), (68, 174365), (85, 139492), (86, 137870), (170, 69746), (172, 68935), (215, 55148), (340, 34873), (430, 27574), (731, 16220), (811, 14620), (860, 13787), (1462, 8110), (1622, 7310), (2924, 4055), (3244, 3655)]