2070307840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{404357}}^1$

素因数の和:404382

約数の個数: 44

約数和(自身を含む): 4966324956

約数和(自身を除く): 2896017116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 404357, 808714, 1617428, 2021785, 3234856, 4043570, 6469712, 8087140, 12939424, 16174280, 25878848, 32348560, 51757696, 64697120, 103515392, 129394240, 207030784, 258788480, 414061568, 517576960, 1035153920, 2070307840]

約数ペア:

[(1, 2070307840), (2, 1035153920), (4, 517576960), (5, 414061568), (8, 258788480), (10, 207030784), (16, 129394240), (20, 103515392), (32, 64697120), (40, 51757696), (64, 32348560), (80, 25878848), (128, 16174280), (160, 12939424), (256, 8087140), (320, 6469712), (512, 4043570), (640, 3234856), (1024, 2021785), (1280, 1617428), (2560, 808714), (5120, 404357)]