7839440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13999}}^1$

素因数の和:14019

約数の個数: 40

約数和(自身を含む): 20832000

約数和(自身を除く): 12992560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 13999, 27998, 55996, 69995, 97993, 111992, 139990, 195986, 223984, 279980, 391972, 489965, 559960, 783944, 979930, 1119920, 1567888, 1959860, 3919720, 7839440]

約数ペア:

[(1, 7839440), (2, 3919720), (4, 1959860), (5, 1567888), (7, 1119920), (8, 979930), (10, 783944), (14, 559960), (16, 489965), (20, 391972), (28, 279980), (35, 223984), (40, 195986), (56, 139990), (70, 111992), (80, 97993), (112, 69995), (140, 55996), (280, 27998), (560, 13999)]