2020959440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{814903}}^1$

素因数の和:814947

約数の個数: 40

約数和(自身を含む): 4850308608

約数和(自身を除く): 2829349168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 814903, 1629806, 3259612, 4074515, 6519224, 8149030, 13038448, 16298060, 25261993, 32596120, 50523986, 65192240, 101047972, 126309965, 202095944, 252619930, 404191888, 505239860, 1010479720, 2020959440]

約数ペア:

[(1, 2020959440), (2, 1010479720), (4, 505239860), (5, 404191888), (8, 252619930), (10, 202095944), (16, 126309965), (20, 101047972), (31, 65192240), (40, 50523986), (62, 32596120), (80, 25261993), (124, 16298060), (155, 13038448), (248, 8149030), (310, 6519224), (496, 4074515), (620, 3259612), (1240, 1629806), (2480, 814903)]