90047680

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^1\times {\mathrm{641}}^1$

素因数の和:1097

約数の個数: 56

約数和(自身を含む): 215249760

約数和(自身を除く): 125202080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 641, 878, 1282, 1756, 2195, 2564, 3205, 3512, 4390, 5128, 6410, 7024, 8780, 10256, 12820, 14048, 17560, 20512, 25640, 28096, 35120, 41024, 51280, 70240, 102560, 140480, 205120, 281399, 562798, 1125596, 1406995, 2251192, 2813990, 4502384, 5627980, 9004768, 11255960, 18009536, 22511920, 45023840, 90047680]

約数ペア:

[(1, 90047680), (2, 45023840), (4, 22511920), (5, 18009536), (8, 11255960), (10, 9004768), (16, 5627980), (20, 4502384), (32, 2813990), (40, 2251192), (64, 1406995), (80, 1125596), (160, 562798), (320, 281399), (439, 205120), (641, 140480), (878, 102560), (1282, 70240), (1756, 51280), (2195, 41024), (2564, 35120), (3205, 28096), (3512, 25640), (4390, 20512), (5128, 17560), (6410, 14048), (7024, 12820), (8780, 10256)]