13287260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{887}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 32223744

約数和(自身を除く): 18936484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 887, 1070, 1498, 1774, 2140, 2996, 3548, 3745, 4435, 6209, 7490, 8870, 12418, 14980, 17740, 24836, 31045, 62090, 94909, 124180, 189818, 379636, 474545, 664363, 949090, 1328726, 1898180, 2657452, 3321815, 6643630, 13287260]

約数ペア:

[(1, 13287260), (2, 6643630), (4, 3321815), (5, 2657452), (7, 1898180), (10, 1328726), (14, 949090), (20, 664363), (28, 474545), (35, 379636), (70, 189818), (107, 124180), (140, 94909), (214, 62090), (428, 31045), (535, 24836), (749, 17740), (887, 14980), (1070, 12418), (1498, 8870), (1774, 7490), (2140, 6209), (2996, 4435), (3548, 3745)]