159439640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{209789}}^1$

素因数の和:209819

約数の個数: 32

約数和(自身を含む): 377622000

約数和(自身を除く): 218182360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 209789, 419578, 839156, 1048945, 1678312, 2097890, 3985991, 4195780, 7971982, 8391560, 15943964, 19929955, 31887928, 39859910, 79719820, 159439640]

約数ペア:

[(1, 159439640), (2, 79719820), (4, 39859910), (5, 31887928), (8, 19929955), (10, 15943964), (19, 8391560), (20, 7971982), (38, 4195780), (40, 3985991), (76, 2097890), (95, 1678312), (152, 1048945), (190, 839156), (380, 419578), (760, 209789)]