2278146560

素因数分解:

$2^9\times 5^1\times {\mathrm{889901}}^1$

素因数の和:889924

約数の個数: 40

約数和(自身を含む): 5462218476

約数和(自身を除く): 3184071916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 889901, 1779802, 3559604, 4449505, 7119208, 8899010, 14238416, 17798020, 28476832, 35596040, 56953664, 71192080, 113907328, 142384160, 227814656, 284768320, 455629312, 569536640, 1139073280, 2278146560]

約数ペア:

[(1, 2278146560), (2, 1139073280), (4, 569536640), (5, 455629312), (8, 284768320), (10, 227814656), (16, 142384160), (20, 113907328), (32, 71192080), (40, 56953664), (64, 35596040), (80, 28476832), (128, 17798020), (160, 14238416), (256, 8899010), (320, 7119208), (512, 4449505), (640, 3559604), (1280, 1779802), (2560, 889901)]