22417520

素因数分解:

$2^4\times 5^1\times {\mathrm{280219}}^1$

素因数の和:280232

約数の個数: 20

約数和(自身を含む): 52120920

約数和(自身を除く): 29703400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280219, 560438, 1120876, 1401095, 2241752, 2802190, 4483504, 5604380, 11208760, 22417520]

約数ペア:

[(1, 22417520), (2, 11208760), (4, 5604380), (5, 4483504), (8, 2802190), (10, 2241752), (16, 1401095), (20, 1120876), (40, 560438), (80, 280219)]