16020080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4657}}^1$

素因数の和:4713

約数の個数: 40

約数和(自身を含む): 38121072

約数和(自身を除く): 22100992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4657, 9314, 18628, 23285, 37256, 46570, 74512, 93140, 186280, 200251, 372560, 400502, 801004, 1001255, 1602008, 2002510, 3204016, 4005020, 8010040, 16020080]

約数ペア:

[(1, 16020080), (2, 8010040), (4, 4005020), (5, 3204016), (8, 2002510), (10, 1602008), (16, 1001255), (20, 801004), (40, 400502), (43, 372560), (80, 200251), (86, 186280), (172, 93140), (215, 74512), (344, 46570), (430, 37256), (688, 23285), (860, 18628), (1720, 9314), (3440, 4657)]