789640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 1872000

約数和(自身を除く): 1082360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1039, 2078, 4156, 5195, 8312, 10390, 19741, 20780, 39482, 41560, 78964, 98705, 157928, 197410, 394820, 789640]

約数ペア:

[(1, 789640), (2, 394820), (4, 197410), (5, 157928), (8, 98705), (10, 78964), (19, 41560), (20, 39482), (38, 20780), (40, 19741), (76, 10390), (95, 8312), (152, 5195), (190, 4156), (380, 2078), (760, 1039)]