210002840

素因数分解:

$2^3\times 5^1\times {\mathrm{5250071}}^1$

素因数の和:5250082

約数の個数: 16

約数和(自身を含む): 472506480

約数和(自身を除く): 262503640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5250071, 10500142, 21000284, 26250355, 42000568, 52500710, 105001420, 210002840]

約数ペア:

[(1, 210002840), (2, 105001420), (4, 52500710), (5, 42000568), (8, 26250355), (10, 21000284), (20, 10500142), (40, 5250071)]