84002840

素因数分解:

$2^3\times 5^1\times {\mathrm{2100071}}^1$

素因数の和:2100082

約数の個数: 16

約数和(自身を含む): 189006480

約数和(自身を除く): 105003640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2100071, 4200142, 8400284, 10500355, 16800568, 21000710, 42001420, 84002840]

約数ペア:

[(1, 84002840), (2, 42001420), (4, 21000710), (5, 16800568), (8, 10500355), (10, 8400284), (20, 4200142), (40, 2100071)]