2685440

素因数分解:

$2^9\times 5^1\times {\mathrm{1049}}^1$

素因数の和:1072

約数の個数: 40

約数和(自身を含む): 6444900

約数和(自身を除く): 3759460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1049, 1280, 2098, 2560, 4196, 5245, 8392, 10490, 16784, 20980, 33568, 41960, 67136, 83920, 134272, 167840, 268544, 335680, 537088, 671360, 1342720, 2685440]

約数ペア:

[(1, 2685440), (2, 1342720), (4, 671360), (5, 537088), (8, 335680), (10, 268544), (16, 167840), (20, 134272), (32, 83920), (40, 67136), (64, 41960), (80, 33568), (128, 20980), (160, 16784), (256, 10490), (320, 8392), (512, 5245), (640, 4196), (1049, 2560), (1280, 2098)]