17420800

素因数分解:

$2^9\times 5^2\times {\mathrm{1361}}^1$

素因数の和:1389

約数の個数: 60

約数和(自身を含む): 43193106

約数和(自身を除く): 25772306

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1361, 1600, 2560, 2722, 3200, 5444, 6400, 6805, 10888, 12800, 13610, 21776, 27220, 34025, 43552, 54440, 68050, 87104, 108880, 136100, 174208, 217760, 272200, 348416, 435520, 544400, 696832, 871040, 1088800, 1742080, 2177600, 3484160, 4355200, 8710400, 17420800]

約数ペア:

[(1, 17420800), (2, 8710400), (4, 4355200), (5, 3484160), (8, 2177600), (10, 1742080), (16, 1088800), (20, 871040), (25, 696832), (32, 544400), (40, 435520), (50, 348416), (64, 272200), (80, 217760), (100, 174208), (128, 136100), (160, 108880), (200, 87104), (256, 68050), (320, 54440), (400, 43552), (512, 34025), (640, 27220), (800, 21776), (1280, 13610), (1361, 12800), (1600, 10888), (2560, 6805), (2722, 6400), (3200, 5444)]