138090880

素因数分解:

$2^7\times 5^1\times {\mathrm{215767}}^1$

素因数の和:215786

約数の個数: 32

約数和(自身を含む): 330125040

約数和(自身を除く): 192034160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 215767, 431534, 863068, 1078835, 1726136, 2157670, 3452272, 4315340, 6904544, 8630680, 13809088, 17261360, 27618176, 34522720, 69045440, 138090880]

約数ペア:

[(1, 138090880), (2, 69045440), (4, 34522720), (5, 27618176), (8, 17261360), (10, 13809088), (16, 8630680), (20, 6904544), (32, 4315340), (40, 3452272), (64, 2157670), (80, 1726136), (128, 1078835), (160, 863068), (320, 431534), (640, 215767)]