56279800

素因数分解:

$2^3\times 5^2\times {\mathrm{439}}^1\times {\mathrm{641}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 131353200

約数和(自身を除く): 75073400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 439, 641, 878, 1282, 1756, 2195, 2564, 3205, 3512, 4390, 5128, 6410, 8780, 10975, 12820, 16025, 17560, 21950, 25640, 32050, 43900, 64100, 87800, 128200, 281399, 562798, 1125596, 1406995, 2251192, 2813990, 5627980, 7034975, 11255960, 14069950, 28139900, 56279800]

約数ペア:

[(1, 56279800), (2, 28139900), (4, 14069950), (5, 11255960), (8, 7034975), (10, 5627980), (20, 2813990), (25, 2251192), (40, 1406995), (50, 1125596), (100, 562798), (200, 281399), (439, 128200), (641, 87800), (878, 64100), (1282, 43900), (1756, 32050), (2195, 25640), (2564, 21950), (3205, 17560), (3512, 16025), (4390, 12820), (5128, 10975), (6410, 8780)]