18479440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32999}}^1$

素因数の和:33019

約数の個数: 40

約数和(自身を含む): 49104000

約数和(自身を除く): 30624560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32999, 65998, 131996, 164995, 230993, 263992, 329990, 461986, 527984, 659980, 923972, 1154965, 1319960, 1847944, 2309930, 2639920, 3695888, 4619860, 9239720, 18479440]

約数ペア:

[(1, 18479440), (2, 9239720), (4, 4619860), (5, 3695888), (7, 2639920), (8, 2309930), (10, 1847944), (14, 1319960), (16, 1154965), (20, 923972), (28, 659980), (35, 527984), (40, 461986), (56, 329990), (70, 263992), (80, 230993), (112, 164995), (140, 131996), (280, 65998), (560, 32999)]