72192040

素因数分解:

$2^3\times 5^1\times {\mathrm{1804801}}^1$

素因数の和:1804812

約数の個数: 16

約数和(自身を含む): 162432180

約数和(自身を除く): 90240140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1804801, 3609602, 7219204, 9024005, 14438408, 18048010, 36096020, 72192040]

約数ペア:

[(1, 72192040), (2, 36096020), (4, 18048010), (5, 14438408), (8, 9024005), (10, 7219204), (20, 3609602), (40, 1804801)]