87202840

素因数分解:

$2^3\times 5^1\times {\mathrm{2180071}}^1$

素因数の和:2180082

約数の個数: 16

約数和(自身を含む): 196206480

約数和(自身を除く): 109003640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2180071, 4360142, 8720284, 10900355, 17440568, 21800710, 43601420, 87202840]

約数ペア:

[(1, 87202840), (2, 43601420), (4, 21800710), (5, 17440568), (8, 10900355), (10, 8720284), (20, 4360142), (40, 2180071)]