25374490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 21799910

約数列:

[1, 2, 5, 10, 41, 82, 199, 205, 311, 398, 410, 622, 995, 1555, 1990, 3110, 8159, 12751, 16318, 25502, 40795, 61889, 63755, 81590, 123778, 127510, 309445, 618890, 2537449, 5074898, 12687245, 25374490]

約数ペア:

[(1, 25374490), (2, 12687245), (5, 5074898), (10, 2537449), (41, 618890), (82, 309445), (199, 127510), (205, 123778), (311, 81590), (398, 63755), (410, 61889), (622, 40795), (995, 25502), (1555, 16318), (1990, 12751), (3110, 8159)]