11501240

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1061}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 25997760

約数和(自身を除く): 14496520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1061, 1084, 1355, 2122, 2168, 2710, 4244, 5305, 5420, 8488, 10610, 10840, 21220, 42440, 287531, 575062, 1150124, 1437655, 2300248, 2875310, 5750620, 11501240]

約数ペア:

[(1, 11501240), (2, 5750620), (4, 2875310), (5, 2300248), (8, 1437655), (10, 1150124), (20, 575062), (40, 287531), (271, 42440), (542, 21220), (1061, 10840), (1084, 10610), (1355, 8488), (2122, 5420), (2168, 5305), (2710, 4244)]