26405320

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1697}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 59599800

約数和(自身を除く): 33194480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1697, 1945, 3112, 3394, 3890, 6788, 7780, 8485, 13576, 15560, 16970, 33940, 67880, 660133, 1320266, 2640532, 3300665, 5281064, 6601330, 13202660, 26405320]

約数ペア:

[(1, 26405320), (2, 13202660), (4, 6601330), (5, 5281064), (8, 3300665), (10, 2640532), (20, 1320266), (40, 660133), (389, 67880), (778, 33940), (1556, 16970), (1697, 15560), (1945, 13576), (3112, 8485), (3394, 7780), (3890, 6788)]