2019490840

素因数分解:

$2^3\times 5^1\times {\mathrm{50487271}}^1$

素因数の和:50487282

約数の個数: 16

約数和(自身を含む): 4543854480

約数和(自身を除く): 2524363640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50487271, 100974542, 201949084, 252436355, 403898168, 504872710, 1009745420, 2019490840]

約数ペア:

[(1, 2019490840), (2, 1009745420), (4, 504872710), (5, 403898168), (8, 252436355), (10, 201949084), (20, 100974542), (40, 50487271)]