22511920

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{641}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 52541280

約数和(自身を除く): 30029360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 641, 878, 1282, 1756, 2195, 2564, 3205, 3512, 4390, 5128, 6410, 7024, 8780, 10256, 12820, 17560, 25640, 35120, 51280, 281399, 562798, 1125596, 1406995, 2251192, 2813990, 4502384, 5627980, 11255960, 22511920]

約数ペア:

[(1, 22511920), (2, 11255960), (4, 5627980), (5, 4502384), (8, 2813990), (10, 2251192), (16, 1406995), (20, 1125596), (40, 562798), (80, 281399), (439, 51280), (641, 35120), (878, 25640), (1282, 17560), (1756, 12820), (2195, 10256), (2564, 8780), (3205, 7024), (3512, 6410), (4390, 5128)]