876680080

素因数分解:

$2^4\times 5^1\times {\mathrm{10958501}}^1$

素因数の和:10958514

約数の個数: 20

約数和(自身を含む): 2038281372

約数和(自身を除く): 1161601292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10958501, 21917002, 43834004, 54792505, 87668008, 109585010, 175336016, 219170020, 438340040, 876680080]

約数ペア:

[(1, 876680080), (2, 438340040), (4, 219170020), (5, 175336016), (8, 109585010), (10, 87668008), (16, 54792505), (20, 43834004), (40, 21917002), (80, 10958501)]