16810840

素因数分解:

$2^3\times 5^1\times {\mathrm{420271}}^1$

素因数の和:420282

約数の個数: 16

約数和(自身を含む): 37824480

約数和(自身を除く): 21013640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 420271, 840542, 1681084, 2101355, 3362168, 4202710, 8405420, 16810840]

約数ペア:

[(1, 16810840), (2, 8405420), (4, 4202710), (5, 3362168), (8, 2101355), (10, 1681084), (20, 840542), (40, 420271)]