47720960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2663}}^1$

素因数の和:2693

約数の個数: 80

約数和(自身を含む): 130813056

約数和(自身を除く): 83092096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 2663, 3584, 4480, 5326, 8960, 10652, 13315, 17920, 18641, 21304, 26630, 37282, 42608, 53260, 74564, 85216, 93205, 106520, 149128, 170432, 186410, 213040, 298256, 340864, 372820, 426080, 596512, 681728, 745640, 852160, 1193024, 1363456, 1491280, 1704320, 2386048, 2982560, 3408640, 4772096, 5965120, 6817280, 9544192, 11930240, 23860480, 47720960]

約数ペア:

[(1, 47720960), (2, 23860480), (4, 11930240), (5, 9544192), (7, 6817280), (8, 5965120), (10, 4772096), (14, 3408640), (16, 2982560), (20, 2386048), (28, 1704320), (32, 1491280), (35, 1363456), (40, 1193024), (56, 852160), (64, 745640), (70, 681728), (80, 596512), (112, 426080), (128, 372820), (140, 340864), (160, 298256), (224, 213040), (256, 186410), (280, 170432), (320, 149128), (448, 106520), (512, 93205), (560, 85216), (640, 74564), (896, 53260), (1120, 42608), (1280, 37282), (1792, 26630), (2240, 21304), (2560, 18641), (2663, 17920), (3584, 13315), (4480, 10652), (5326, 8960)]