25121290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 47485440

約数和(自身を除く): 22364150

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 239, 457, 478, 914, 1195, 2285, 2390, 4570, 5497, 10511, 10994, 21022, 27485, 52555, 54970, 105110, 109223, 218446, 546115, 1092230, 2512129, 5024258, 12560645, 25121290]

約数ペア:

[(1, 25121290), (2, 12560645), (5, 5024258), (10, 2512129), (23, 1092230), (46, 546115), (115, 218446), (230, 109223), (239, 105110), (457, 54970), (478, 52555), (914, 27485), (1195, 21022), (2285, 10994), (2390, 10511), (4570, 5497)]