105220040

素因数分解:

$2^3\times 5^1\times {\mathrm{2630501}}^1$

素因数の和:2630512

約数の個数: 16

約数和(自身を含む): 236745180

約数和(自身を除く): 131525140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2630501, 5261002, 10522004, 13152505, 21044008, 26305010, 52610020, 105220040]

約数ペア:

[(1, 105220040), (2, 52610020), (4, 26305010), (5, 21044008), (8, 13152505), (10, 10522004), (20, 5261002), (40, 2630501)]