87369620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{25849}}^1$

素因数の和:25884

約数の個数: 36

約数和(自身を含む): 198683100

約数和(自身を除く): 111313480

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 25849, 51698, 103396, 129245, 258490, 336037, 516980, 672074, 1344148, 1680185, 3360370, 4368481, 6720740, 8736962, 17473924, 21842405, 43684810, 87369620]

約数ペア:

[(1, 87369620), (2, 43684810), (4, 21842405), (5, 17473924), (10, 8736962), (13, 6720740), (20, 4368481), (26, 3360370), (52, 1680185), (65, 1344148), (130, 672074), (169, 516980), (260, 336037), (338, 258490), (676, 129245), (845, 103396), (1690, 51698), (3380, 25849)]