38885680

素因数分解:

$2^4\times 5^1\times {\mathrm{486071}}^1$

素因数の和:486084

約数の個数: 20

約数和(自身を含む): 90409392

約数和(自身を除く): 51523712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486071, 972142, 1944284, 2430355, 3888568, 4860710, 7777136, 9721420, 19442840, 38885680]

約数ペア:

[(1, 38885680), (2, 19442840), (4, 9721420), (5, 7777136), (8, 4860710), (10, 3888568), (16, 2430355), (20, 1944284), (40, 972142), (80, 486071)]