85639060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1949}}^1$

素因数の和:1997

約数の個数: 48

約数和(自身を含む): 194922000

約数和(自身を除く): 109282940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 1949, 2197, 3380, 3898, 4394, 7796, 8788, 9745, 10985, 19490, 21970, 25337, 38980, 43940, 50674, 101348, 126685, 253370, 329381, 506740, 658762, 1317524, 1646905, 3293810, 4281953, 6587620, 8563906, 17127812, 21409765, 42819530, 85639060]

約数ペア:

[(1, 85639060), (2, 42819530), (4, 21409765), (5, 17127812), (10, 8563906), (13, 6587620), (20, 4281953), (26, 3293810), (52, 1646905), (65, 1317524), (130, 658762), (169, 506740), (260, 329381), (338, 253370), (676, 126685), (845, 101348), (1690, 50674), (1949, 43940), (2197, 38980), (3380, 25337), (3898, 21970), (4394, 19490), (7796, 10985), (8788, 9745)]