2668180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1879}}^1$

素因数の和:1959

約数の個数: 24

約数和(自身を含む): 5685120

約数和(自身を除く): 3016940

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1879, 3758, 7516, 9395, 18790, 37580, 133409, 266818, 533636, 667045, 1334090, 2668180]

約数ペア:

[(1, 2668180), (2, 1334090), (4, 667045), (5, 533636), (10, 266818), (20, 133409), (71, 37580), (142, 18790), (284, 9395), (355, 7516), (710, 3758), (1420, 1879)]