72444040

素因数分解:

$2^3\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{1657}}^1$

素因数の和:2761

約数の個数: 32

約数和(自身を含む): 163246680

約数和(自身を除く): 90802640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1093, 1657, 2186, 3314, 4372, 5465, 6628, 8285, 8744, 10930, 13256, 16570, 21860, 33140, 43720, 66280, 1811101, 3622202, 7244404, 9055505, 14488808, 18111010, 36222020, 72444040]

約数ペア:

[(1, 72444040), (2, 36222020), (4, 18111010), (5, 14488808), (8, 9055505), (10, 7244404), (20, 3622202), (40, 1811101), (1093, 66280), (1657, 43720), (2186, 33140), (3314, 21860), (4372, 16570), (5465, 13256), (6628, 10930), (8285, 8744)]