28656160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1$

素因数の和:650

約数の個数: 96

約数和(自身を含む): 76204800

約数和(自身を除く): 47548640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 368, 416, 460, 520, 598, 599, 736, 920, 1040, 1196, 1198, 1495, 1840, 2080, 2392, 2396, 2990, 2995, 3680, 4784, 4792, 5980, 5990, 7787, 9568, 9584, 11960, 11980, 13777, 15574, 19168, 23920, 23960, 27554, 31148, 38935, 47840, 47920, 55108, 62296, 68885, 77870, 95840, 110216, 124592, 137770, 155740, 179101, 220432, 249184, 275540, 311480, 358202, 440864, 551080, 622960, 716404, 895505, 1102160, 1245920, 1432808, 1791010, 2204320, 2865616, 3582020, 5731232, 7164040, 14328080, 28656160]

約数ペア:

[(1, 28656160), (2, 14328080), (4, 7164040), (5, 5731232), (8, 3582020), (10, 2865616), (13, 2204320), (16, 1791010), (20, 1432808), (23, 1245920), (26, 1102160), (32, 895505), (40, 716404), (46, 622960), (52, 551080), (65, 440864), (80, 358202), (92, 311480), (104, 275540), (115, 249184), (130, 220432), (160, 179101), (184, 155740), (208, 137770), (230, 124592), (260, 110216), (299, 95840), (368, 77870), (416, 68885), (460, 62296), (520, 55108), (598, 47920), (599, 47840), (736, 38935), (920, 31148), (1040, 27554), (1196, 23960), (1198, 23920), (1495, 19168), (1840, 15574), (2080, 13777), (2392, 11980), (2396, 11960), (2990, 9584), (2995, 9568), (3680, 7787), (4784, 5990), (4792, 5980)]