25170970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9949}}^1$

素因数の和:9990

約数の個数: 32

約数和(自身を含む): 51580800

約数和(自身を除く): 26409830

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 9949, 19898, 49745, 99490, 109439, 218878, 228827, 457654, 547195, 1094390, 1144135, 2288270, 2517097, 5034194, 12585485, 25170970]

約数ペア:

[(1, 25170970), (2, 12585485), (5, 5034194), (10, 2517097), (11, 2288270), (22, 1144135), (23, 1094390), (46, 547195), (55, 457654), (110, 228827), (115, 218878), (230, 109439), (253, 99490), (506, 49745), (1265, 19898), (2530, 9949)]