25617920

素因数分解:

$2^9\times 5^1\times {\mathrm{10007}}^1$

素因数の和:10030

約数の個数: 40

約数和(自身を含む): 61429104

約数和(自身を除く): 35811184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 10007, 20014, 40028, 50035, 80056, 100070, 160112, 200140, 320224, 400280, 640448, 800560, 1280896, 1601120, 2561792, 3202240, 5123584, 6404480, 12808960, 25617920]

約数ペア:

[(1, 25617920), (2, 12808960), (4, 6404480), (5, 5123584), (8, 3202240), (10, 2561792), (16, 1601120), (20, 1280896), (32, 800560), (40, 640448), (64, 400280), (80, 320224), (128, 200140), (160, 160112), (256, 100070), (320, 80056), (512, 50035), (640, 40028), (1280, 20014), (2560, 10007)]