40425028

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 83026944

約数和(自身を除く): 42601916

約数列:

[1, 2, 4, 7, 14, 28, 103, 107, 131, 206, 214, 262, 412, 428, 524, 721, 749, 917, 1442, 1498, 1834, 2884, 2996, 3668, 11021, 13493, 14017, 22042, 26986, 28034, 44084, 53972, 56068, 77147, 94451, 98119, 154294, 188902, 196238, 308588, 377804, 392476, 1443751, 2887502, 5775004, 10106257, 20212514, 40425028]

約数ペア:

[(1, 40425028), (2, 20212514), (4, 10106257), (7, 5775004), (14, 2887502), (28, 1443751), (103, 392476), (107, 377804), (131, 308588), (206, 196238), (214, 188902), (262, 154294), (412, 98119), (428, 94451), (524, 77147), (721, 56068), (749, 53972), (917, 44084), (1442, 28034), (1498, 26986), (1834, 22042), (2884, 14017), (2996, 13493), (3668, 11021)]