11409920

素因数分解:

$2^9\times 5^1\times {\mathrm{4457}}^1$

素因数の和:4480

約数の個数: 40

約数和(自身を含む): 27363204

約数和(自身を除く): 15953284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 4457, 8914, 17828, 22285, 35656, 44570, 71312, 89140, 142624, 178280, 285248, 356560, 570496, 713120, 1140992, 1426240, 2281984, 2852480, 5704960, 11409920]

約数ペア:

[(1, 11409920), (2, 5704960), (4, 2852480), (5, 2281984), (8, 1426240), (10, 1140992), (16, 713120), (20, 570496), (32, 356560), (40, 285248), (64, 178280), (80, 142624), (128, 89140), (160, 71312), (256, 44570), (320, 35656), (512, 22285), (640, 17828), (1280, 8914), (2560, 4457)]