520013140

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{82021}}^1$

素因数の和:82347

約数の個数: 24

約数和(自身を含む): 1095485832

約数和(自身を除く): 575472692

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 82021, 164042, 328084, 410105, 820210, 1640420, 26000657, 52001314, 104002628, 130003285, 260006570, 520013140]

約数ペア:

[(1, 520013140), (2, 260006570), (4, 130003285), (5, 104002628), (10, 52001314), (20, 26000657), (317, 1640420), (634, 820210), (1268, 410105), (1585, 328084), (3170, 164042), (6340, 82021)]