126817640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{28057}}^1$

素因数の和:28181

約数の個数: 32

約数和(自身を含む): 287875080

約数和(自身を除く): 161057440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 28057, 56114, 112228, 140285, 224456, 280570, 561140, 1122280, 3170441, 6340882, 12681764, 15852205, 25363528, 31704410, 63408820, 126817640]

約数ペア:

[(1, 126817640), (2, 63408820), (4, 31704410), (5, 25363528), (8, 15852205), (10, 12681764), (20, 6340882), (40, 3170441), (113, 1122280), (226, 561140), (452, 280570), (565, 224456), (904, 140285), (1130, 112228), (2260, 56114), (4520, 28057)]