13800040

素因数分解:

$2^3\times 5^1\times {\mathrm{345001}}^1$

素因数の和:345012

約数の個数: 16

約数和(自身を含む): 31050180

約数和(自身を除く): 17250140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 345001, 690002, 1380004, 1725005, 2760008, 3450010, 6900020, 13800040]

約数ペア:

[(1, 13800040), (2, 6900020), (4, 3450010), (5, 2760008), (8, 1725005), (10, 1380004), (20, 690002), (40, 345001)]