2149021480

素因数分解:

$2^3\times 5^1\times {\mathrm{2531}}^1\times {\mathrm{21227}}^1$

素因数の和:23769

約数の個数: 32

約数和(自身を含む): 4837436640

約数和(自身を除く): 2688415160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2531, 5062, 10124, 12655, 20248, 21227, 25310, 42454, 50620, 84908, 101240, 106135, 169816, 212270, 424540, 849080, 53725537, 107451074, 214902148, 268627685, 429804296, 537255370, 1074510740, 2149021480]

約数ペア:

[(1, 2149021480), (2, 1074510740), (4, 537255370), (5, 429804296), (8, 268627685), (10, 214902148), (20, 107451074), (40, 53725537), (2531, 849080), (5062, 424540), (10124, 212270), (12655, 169816), (20248, 106135), (21227, 101240), (25310, 84908), (42454, 50620)]