40282990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1459}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 79470720

約数和(自身を除く): 39187730

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 251, 502, 1255, 1459, 2510, 2761, 2918, 5522, 7295, 13805, 14590, 16049, 27610, 32098, 80245, 160490, 366209, 732418, 1831045, 3662090, 4028299, 8056598, 20141495, 40282990]

約数ペア:

[(1, 40282990), (2, 20141495), (5, 8056598), (10, 4028299), (11, 3662090), (22, 1831045), (55, 732418), (110, 366209), (251, 160490), (502, 80245), (1255, 32098), (1459, 27610), (2510, 16049), (2761, 14590), (2918, 13805), (5522, 7295)]