80272910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1559}}^1$

素因数の和:1856

約数の個数: 32

約数和(自身を含む): 152755200

約数和(自身を除く): 72482290

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 271, 542, 1355, 1559, 2710, 3118, 5149, 7795, 10298, 15590, 25745, 29621, 51490, 59242, 148105, 296210, 422489, 844978, 2112445, 4224890, 8027291, 16054582, 40136455, 80272910]

約数ペア:

[(1, 80272910), (2, 40136455), (5, 16054582), (10, 8027291), (19, 4224890), (38, 2112445), (95, 844978), (190, 422489), (271, 296210), (542, 148105), (1355, 59242), (1559, 51490), (2710, 29621), (3118, 25745), (5149, 15590), (7795, 10298)]