6443960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2269}}^1$

素因数の和:2351

約数の個数: 32

約数和(自身を含む): 14709600

約数和(自身を除く): 8265640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2269, 2840, 4538, 9076, 11345, 18152, 22690, 45380, 90760, 161099, 322198, 644396, 805495, 1288792, 1610990, 3221980, 6443960]

約数ペア:

[(1, 6443960), (2, 3221980), (4, 1610990), (5, 1288792), (8, 805495), (10, 644396), (20, 322198), (40, 161099), (71, 90760), (142, 45380), (284, 22690), (355, 18152), (568, 11345), (710, 9076), (1420, 4538), (2269, 2840)]