25159990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132421}}^1$

素因数の和:132447

約数の個数: 16

約数和(自身を含む): 47671920

約数和(自身を除く): 22511930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 132421, 264842, 662105, 1324210, 2515999, 5031998, 12579995, 25159990]

約数ペア:

[(1, 25159990), (2, 12579995), (5, 5031998), (10, 2515999), (19, 1324210), (38, 662105), (95, 264842), (190, 132421)]