80675840

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{2251}}^1$

素因数の和:2283

約数の個数: 88

約数和(自身を含む): 221272512

約数和(自身を除く): 140596672

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, 1024, 1120, 1280, 1792, 2240, 2251, 2560, 3584, 4480, 4502, 5120, 7168, 8960, 9004, 11255, 15757, 17920, 18008, 22510, 31514, 35840, 36016, 45020, 63028, 72032, 78785, 90040, 126056, 144064, 157570, 180080, 252112, 288128, 315140, 360160, 504224, 576256, 630280, 720320, 1008448, 1152512, 1260560, 1440640, 2016896, 2305024, 2521120, 2881280, 4033792, 5042240, 5762560, 8067584, 10084480, 11525120, 16135168, 20168960, 40337920, 80675840]

約数ペア:

[(1, 80675840), (2, 40337920), (4, 20168960), (5, 16135168), (7, 11525120), (8, 10084480), (10, 8067584), (14, 5762560), (16, 5042240), (20, 4033792), (28, 2881280), (32, 2521120), (35, 2305024), (40, 2016896), (56, 1440640), (64, 1260560), (70, 1152512), (80, 1008448), (112, 720320), (128, 630280), (140, 576256), (160, 504224), (224, 360160), (256, 315140), (280, 288128), (320, 252112), (448, 180080), (512, 157570), (560, 144064), (640, 126056), (896, 90040), (1024, 78785), (1120, 72032), (1280, 63028), (1792, 45020), (2240, 36016), (2251, 35840), (2560, 31514), (3584, 22510), (4480, 18008), (4502, 17920), (5120, 15757), (7168, 11255), (8960, 9004)]