90279040

素因数分解:

$2^7\times 5^1\times {\mathrm{141061}}^1$

素因数の和:141080

約数の個数: 32

約数和(自身を含む): 215824860

約数和(自身を除く): 125545820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141061, 282122, 564244, 705305, 1128488, 1410610, 2256976, 2821220, 4513952, 5642440, 9027904, 11284880, 18055808, 22569760, 45139520, 90279040]

約数ペア:

[(1, 90279040), (2, 45139520), (4, 22569760), (5, 18055808), (8, 11284880), (10, 9027904), (16, 5642440), (20, 4513952), (32, 2821220), (40, 2256976), (64, 1410610), (80, 1128488), (128, 705305), (160, 564244), (320, 282122), (640, 141061)]