12870800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1399}}^1$

素因数の和:1440

約数の個数: 60

約数和(自身を含む): 32289600

約数和(自身を除く): 19418800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1399, 1840, 2300, 2798, 4600, 5596, 6995, 9200, 11192, 13990, 22384, 27980, 32177, 34975, 55960, 64354, 69950, 111920, 128708, 139900, 160885, 257416, 279800, 321770, 514832, 559600, 643540, 804425, 1287080, 1608850, 2574160, 3217700, 6435400, 12870800]

約数ペア:

[(1, 12870800), (2, 6435400), (4, 3217700), (5, 2574160), (8, 1608850), (10, 1287080), (16, 804425), (20, 643540), (23, 559600), (25, 514832), (40, 321770), (46, 279800), (50, 257416), (80, 160885), (92, 139900), (100, 128708), (115, 111920), (184, 69950), (200, 64354), (230, 55960), (368, 34975), (400, 32177), (460, 27980), (575, 22384), (920, 13990), (1150, 11192), (1399, 9200), (1840, 6995), (2300, 5596), (2798, 4600)]