66540820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{32941}}^1$

素因数の和:33051

約数の個数: 24

約数和(自身を含む): 141123528

約数和(自身を除く): 74582708

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 32941, 65882, 131764, 164705, 329410, 658820, 3327041, 6654082, 13308164, 16635205, 33270410, 66540820]

約数ペア:

[(1, 66540820), (2, 33270410), (4, 16635205), (5, 13308164), (10, 6654082), (20, 3327041), (101, 658820), (202, 329410), (404, 164705), (505, 131764), (1010, 65882), (2020, 32941)]