2075420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2531}}^1$

素因数の和:2581

約数の個数: 24

約数和(自身を含む): 4466448

約数和(自身を除く): 2391028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2531, 5062, 10124, 12655, 25310, 50620, 103771, 207542, 415084, 518855, 1037710, 2075420]

約数ペア:

[(1, 2075420), (2, 1037710), (4, 518855), (5, 415084), (10, 207542), (20, 103771), (41, 50620), (82, 25310), (164, 12655), (205, 10124), (410, 5062), (820, 2531)]