72574420

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{5557}}^1$

素因数の和:6219

約数の個数: 24

約数和(自身を含む): 152667144

約数和(自身を除く): 80092724

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 5557, 6530, 11114, 13060, 22228, 27785, 55570, 111140, 3628721, 7257442, 14514884, 18143605, 36287210, 72574420]

約数ペア:

[(1, 72574420), (2, 36287210), (4, 18143605), (5, 14514884), (10, 7257442), (20, 3628721), (653, 111140), (1306, 55570), (2612, 27785), (3265, 22228), (5557, 13060), (6530, 11114)]