54400120

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4373}}^1$

素因数の和:4695

約数の個数: 32

約数和(自身を含む): 122821920

約数和(自身を除く): 68421800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 4373, 6220, 8746, 12440, 17492, 21865, 34984, 43730, 87460, 174920, 1360003, 2720006, 5440012, 6800015, 10880024, 13600030, 27200060, 54400120]

約数ペア:

[(1, 54400120), (2, 27200060), (4, 13600030), (5, 10880024), (8, 6800015), (10, 5440012), (20, 2720006), (40, 1360003), (311, 174920), (622, 87460), (1244, 43730), (1555, 34984), (2488, 21865), (3110, 17492), (4373, 12440), (6220, 8746)]