2019880040

素因数分解:

$2^3\times 5^1\times {\mathrm{50497001}}^1$

素因数の和:50497012

約数の個数: 16

約数和(自身を含む): 4544730180

約数和(自身を除く): 2524850140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50497001, 100994002, 201988004, 252485005, 403976008, 504970010, 1009940020, 2019880040]

約数ペア:

[(1, 2019880040), (2, 1009940020), (4, 504970010), (5, 403976008), (8, 252485005), (10, 201988004), (20, 100994002), (40, 50497001)]