25121990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{6959}}^1$

素因数の和:7004

約数の個数: 24

約数和(自身を含む): 47731680

約数和(自身を除く): 22609690

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 6959, 13918, 34795, 69590, 132221, 264442, 661105, 1322210, 2512199, 5024398, 12560995, 25121990]

約数ペア:

[(1, 25121990), (2, 12560995), (5, 5024398), (10, 2512199), (19, 1322210), (38, 661105), (95, 264442), (190, 132221), (361, 69590), (722, 34795), (1805, 13918), (3610, 6959)]