28495040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12721}}^1$

素因数の和:12745

約数の個数: 56

約数和(自身を含む): 77553312

約数和(自身を除く): 49058272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12721, 25442, 50884, 63605, 89047, 101768, 127210, 178094, 203536, 254420, 356188, 407072, 445235, 508840, 712376, 814144, 890470, 1017680, 1424752, 1780940, 2035360, 2849504, 3561880, 4070720, 5699008, 7123760, 14247520, 28495040]

約数ペア:

[(1, 28495040), (2, 14247520), (4, 7123760), (5, 5699008), (7, 4070720), (8, 3561880), (10, 2849504), (14, 2035360), (16, 1780940), (20, 1424752), (28, 1017680), (32, 890470), (35, 814144), (40, 712376), (56, 508840), (64, 445235), (70, 407072), (80, 356188), (112, 254420), (140, 203536), (160, 178094), (224, 127210), (280, 101768), (320, 89047), (448, 63605), (560, 50884), (1120, 25442), (2240, 12721)]