64613060

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{1993}}^1$

素因数の和:3623

約数の個数: 24

約数和(自身を含む): 135839256

約数和(自身を除く): 71226196

約数列:

[1, 2, 4, 5, 10, 20, 1621, 1993, 3242, 3986, 6484, 7972, 8105, 9965, 16210, 19930, 32420, 39860, 3230653, 6461306, 12922612, 16153265, 32306530, 64613060]

約数ペア:

[(1, 64613060), (2, 32306530), (4, 16153265), (5, 12922612), (10, 6461306), (20, 3230653), (1621, 39860), (1993, 32420), (3242, 19930), (3986, 16210), (6484, 9965), (7972, 8105)]