2225140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 4741632

約数和(自身を除く): 2516492

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1567, 3134, 6268, 7835, 15670, 31340, 111257, 222514, 445028, 556285, 1112570, 2225140]

約数ペア:

[(1, 2225140), (2, 1112570), (4, 556285), (5, 445028), (10, 222514), (20, 111257), (71, 31340), (142, 15670), (284, 7835), (355, 6268), (710, 3134), (1420, 1567)]