84180980

素因数分解:

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

素因数の和:1848

約数の個数: 48

約数和(自身を含む): 191452800

約数和(自身を除く): 107271820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1627, 1990, 2587, 3254, 3980, 5174, 6508, 8135, 10348, 12935, 16270, 21151, 25870, 32540, 42302, 51740, 84604, 105755, 211510, 323773, 423020, 647546, 1295092, 1618865, 3237730, 4209049, 6475460, 8418098, 16836196, 21045245, 42090490, 84180980]

約数ペア:

[(1, 84180980), (2, 42090490), (4, 21045245), (5, 16836196), (10, 8418098), (13, 6475460), (20, 4209049), (26, 3237730), (52, 1618865), (65, 1295092), (130, 647546), (199, 423020), (260, 323773), (398, 211510), (796, 105755), (995, 84604), (1627, 51740), (1990, 42302), (2587, 32540), (3254, 25870), (3980, 21151), (5174, 16270), (6508, 12935), (8135, 10348)]