85340260

素因数分解:

$2^2\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{2141}}^1$

素因数の和:4143

約数の個数: 24

約数和(自身を含む): 179388216

約数和(自身を除く): 94047956

約数列:

[1, 2, 4, 5, 10, 20, 1993, 2141, 3986, 4282, 7972, 8564, 9965, 10705, 19930, 21410, 39860, 42820, 4267013, 8534026, 17068052, 21335065, 42670130, 85340260]

約数ペア:

[(1, 85340260), (2, 42670130), (4, 21335065), (5, 17068052), (10, 8534026), (20, 4267013), (1993, 42820), (2141, 39860), (3986, 21410), (4282, 19930), (7972, 10705), (8564, 9965)]