13321400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 31713000

約数和(自身を除く): 18391600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1549, 1720, 2150, 3098, 4300, 6196, 7745, 8600, 12392, 15490, 30980, 38725, 61960, 66607, 77450, 133214, 154900, 266428, 309800, 333035, 532856, 666070, 1332140, 1665175, 2664280, 3330350, 6660700, 13321400]

約数ペア:

[(1, 13321400), (2, 6660700), (4, 3330350), (5, 2664280), (8, 1665175), (10, 1332140), (20, 666070), (25, 532856), (40, 333035), (43, 309800), (50, 266428), (86, 154900), (100, 133214), (172, 77450), (200, 66607), (215, 61960), (344, 38725), (430, 30980), (860, 15490), (1075, 12392), (1549, 8600), (1720, 7745), (2150, 6196), (3098, 4300)]