38890840

素因数分解:

$2^3\times 5^1\times {\mathrm{972271}}^1$

素因数の和:972282

約数の個数: 16

約数和(自身を含む): 87504480

約数和(自身を除く): 48613640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 972271, 1944542, 3889084, 4861355, 7778168, 9722710, 19445420, 38890840]

約数ペア:

[(1, 38890840), (2, 19445420), (4, 9722710), (5, 7778168), (8, 4861355), (10, 3889084), (20, 1944542), (40, 972271)]