20050660040

素因数分解:

$2^3\times 5^1\times {\mathrm{501266501}}^1$

素因数の和:501266512

約数の個数: 16

約数和(自身を含む): 45113985180

約数和(自身を除く): 25063325140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 501266501, 1002533002, 2005066004, 2506332505, 4010132008, 5012665010, 10025330020, 20050660040]

約数ペア:

[(1, 20050660040), (2, 10025330020), (4, 5012665010), (5, 4010132008), (8, 2506332505), (10, 2005066004), (20, 1002533002), (40, 501266501)]