168800000080

素因数分解:

$2^4\times 5^1\times {\mathrm{2110000001}}^1$

素因数の和:2110000014

約数の個数: 20

約数和(自身を含む): 392460000372

約数和(自身を除く): 223660000292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2110000001, 4220000002, 8440000004, 10550000005, 16880000008, 21100000010, 33760000016, 42200000020, 84400000040, 168800000080]

約数ペア:

[(1, 168800000080), (2, 84400000040), (4, 42200000020), (5, 33760000016), (8, 21100000010), (10, 16880000008), (16, 10550000005), (20, 8440000004), (40, 4220000002), (80, 2110000001)]