42090490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1627}}^1$

素因数の和:1846

約数の個数: 32

約数和(自身を含む): 82051200

約数和(自身を除く): 39960710

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1627, 1990, 2587, 3254, 5174, 8135, 12935, 16270, 21151, 25870, 42302, 105755, 211510, 323773, 647546, 1618865, 3237730, 4209049, 8418098, 21045245, 42090490]

約数ペア:

[(1, 42090490), (2, 21045245), (5, 8418098), (10, 4209049), (13, 3237730), (26, 1618865), (65, 647546), (130, 323773), (199, 211510), (398, 105755), (995, 42302), (1627, 25870), (1990, 21151), (2587, 16270), (3254, 12935), (5174, 8135)]