2019920650840

素因数分解:

$2^3\times 5^1\times {\mathrm{50498016271}}^1$

素因数の和:50498016282

約数の個数: 16

約数和(自身を含む): 4544821464480

約数和(自身を除く): 2524900813640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50498016271, 100996032542, 201992065084, 252490081355, 403984130168, 504980162710, 1009960325420, 2019920650840]

約数ペア:

[(1, 2019920650840), (2, 1009960325420), (4, 504980162710), (5, 403984130168), (8, 252490081355), (10, 201992065084), (20, 100996032542), (40, 50498016271)]