64903040

素因数分解:

$2^7\times 5^1\times {\mathrm{101411}}^1$

素因数の和:101430

約数の個数: 32

約数和(自身を含む): 155160360

約数和(自身を除く): 90257320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 101411, 202822, 405644, 507055, 811288, 1014110, 1622576, 2028220, 3245152, 4056440, 6490304, 8112880, 12980608, 16225760, 32451520, 64903040]

約数ペア:

[(1, 64903040), (2, 32451520), (4, 16225760), (5, 12980608), (8, 8112880), (10, 6490304), (16, 4056440), (20, 3245152), (32, 2028220), (40, 1622576), (64, 1014110), (80, 811288), (128, 507055), (160, 405644), (320, 202822), (640, 101411)]