2559740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{977}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 5422032

約数和(自身を除く): 2862292

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 977, 1310, 1954, 2620, 3908, 4885, 9770, 19540, 127987, 255974, 511948, 639935, 1279870, 2559740]

約数ペア:

[(1, 2559740), (2, 1279870), (4, 639935), (5, 511948), (10, 255974), (20, 127987), (131, 19540), (262, 9770), (524, 4885), (655, 3908), (977, 2620), (1310, 1954)]