16664960080

素因数分解:

$2^4\times 5^1\times {\mathrm{208312001}}^1$

素因数の和:208312014

約数の個数: 20

約数和(自身を含む): 38746032372

約数和(自身を除く): 22081072292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 208312001, 416624002, 833248004, 1041560005, 1666496008, 2083120010, 3332992016, 4166240020, 8332480040, 16664960080]

約数ペア:

[(1, 16664960080), (2, 8332480040), (4, 4166240020), (5, 3332992016), (8, 2083120010), (10, 1666496008), (16, 1041560005), (20, 833248004), (40, 416624002), (80, 208312001)]