81322030

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 150480000

約数和(自身を除く): 69157970

約数列:

[1, 2, 5, 10, 43, 86, 215, 379, 430, 499, 758, 998, 1895, 2495, 3790, 4990, 16297, 21457, 32594, 42914, 81485, 107285, 162970, 189121, 214570, 378242, 945605, 1891210, 8132203, 16264406, 40661015, 81322030]

約数ペア:

[(1, 81322030), (2, 40661015), (5, 16264406), (10, 8132203), (43, 1891210), (86, 945605), (215, 378242), (379, 214570), (430, 189121), (499, 162970), (758, 107285), (998, 81485), (1895, 42914), (2495, 32594), (3790, 21457), (4990, 16297)]