68247880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39679}}^1$

素因数の和:39733

約数の個数: 32

約数和(自身を含む): 157132800

約数和(自身を除く): 88884920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 39679, 79358, 158716, 198395, 317432, 396790, 793580, 1587160, 1706197, 3412394, 6824788, 8530985, 13649576, 17061970, 34123940, 68247880]

約数ペア:

[(1, 68247880), (2, 34123940), (4, 17061970), (5, 13649576), (8, 8530985), (10, 6824788), (20, 3412394), (40, 1706197), (43, 1587160), (86, 793580), (172, 396790), (215, 317432), (344, 198395), (430, 158716), (860, 79358), (1720, 39679)]