1915691440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1842011}}^1$

素因数の和:1842037

約数の個数: 40

約数和(自身を含む): 4796599248

約数和(自身を除く): 2880907808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1842011, 3684022, 7368044, 9210055, 14736088, 18420110, 23946143, 29472176, 36840220, 47892286, 73680440, 95784572, 119730715, 147360880, 191569144, 239461430, 383138288, 478922860, 957845720, 1915691440]

約数ペア:

[(1, 1915691440), (2, 957845720), (4, 478922860), (5, 383138288), (8, 239461430), (10, 191569144), (13, 147360880), (16, 119730715), (20, 95784572), (26, 73680440), (40, 47892286), (52, 36840220), (65, 29472176), (80, 23946143), (104, 18420110), (130, 14736088), (208, 9210055), (260, 7368044), (520, 3684022), (1040, 1842011)]