40072630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1549}}^1$

素因数の和:1768

約数の個数: 32

約数和(自身を含む): 78120000

約数和(自身を除く): 38047370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1549, 1990, 2587, 3098, 5174, 7745, 12935, 15490, 20137, 25870, 40274, 100685, 201370, 308251, 616502, 1541255, 3082510, 4007263, 8014526, 20036315, 40072630]

約数ペア:

[(1, 40072630), (2, 20036315), (5, 8014526), (10, 4007263), (13, 3082510), (26, 1541255), (65, 616502), (130, 308251), (199, 201370), (398, 100685), (995, 40274), (1549, 25870), (1990, 20137), (2587, 15490), (3098, 12935), (5174, 7745)]