13564640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4987}}^1$

素因数の和:5019

約数の個数: 48

約数和(自身を含む): 33938352

約数和(自身を除く): 20373712

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, 4987, 9974, 19948, 24935, 39896, 49870, 79792, 84779, 99740, 159584, 169558, 199480, 339116, 398960, 423895, 678232, 797920, 847790, 1356464, 1695580, 2712928, 3391160, 6782320, 13564640]

約数ペア:

[(1, 13564640), (2, 6782320), (4, 3391160), (5, 2712928), (8, 1695580), (10, 1356464), (16, 847790), (17, 797920), (20, 678232), (32, 423895), (34, 398960), (40, 339116), (68, 199480), (80, 169558), (85, 159584), (136, 99740), (160, 84779), (170, 79792), (272, 49870), (340, 39896), (544, 24935), (680, 19948), (1360, 9974), (2720, 4987)]