90343040

素因数分解:

$2^7\times 5^1\times {\mathrm{141161}}^1$

素因数の和:141180

約数の個数: 32

約数和(自身を含む): 215977860

約数和(自身を除く): 125634820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141161, 282322, 564644, 705805, 1129288, 1411610, 2258576, 2823220, 4517152, 5646440, 9034304, 11292880, 18068608, 22585760, 45171520, 90343040]

約数ペア:

[(1, 90343040), (2, 45171520), (4, 22585760), (5, 18068608), (8, 11292880), (10, 9034304), (16, 5646440), (20, 4517152), (32, 2823220), (40, 2258576), (64, 1411610), (80, 1129288), (128, 705805), (160, 564644), (320, 282322), (640, 141161)]