8076080

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:813

約数の個数: 40

約数和(自身を含む): 18925872

約数和(自身を除く): 10849792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 643, 785, 1256, 1286, 1570, 2512, 2572, 3140, 3215, 5144, 6280, 6430, 10288, 12560, 12860, 25720, 51440, 100951, 201902, 403804, 504755, 807608, 1009510, 1615216, 2019020, 4038040, 8076080]

約数ペア:

[(1, 8076080), (2, 4038040), (4, 2019020), (5, 1615216), (8, 1009510), (10, 807608), (16, 504755), (20, 403804), (40, 201902), (80, 100951), (157, 51440), (314, 25720), (628, 12860), (643, 12560), (785, 10288), (1256, 6430), (1286, 6280), (1570, 5144), (2512, 3215), (2572, 3140)]