2651140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 5648832

約数和(自身を除く): 2997692

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1867, 3734, 7468, 9335, 18670, 37340, 132557, 265114, 530228, 662785, 1325570, 2651140]

約数ペア:

[(1, 2651140), (2, 1325570), (4, 662785), (5, 530228), (10, 265114), (20, 132557), (71, 37340), (142, 18670), (284, 9335), (355, 7468), (710, 3734), (1420, 1867)]