78391520

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5051}}^1$

素因数の和:5163

約数の個数: 48

約数和(自身を含む): 187146288

約数和(自身を除く): 108754768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 5051, 7760, 10102, 15520, 20204, 25255, 40408, 50510, 80816, 101020, 161632, 202040, 404080, 489947, 808160, 979894, 1959788, 2449735, 3919576, 4899470, 7839152, 9798940, 15678304, 19597880, 39195760, 78391520]

約数ペア:

[(1, 78391520), (2, 39195760), (4, 19597880), (5, 15678304), (8, 9798940), (10, 7839152), (16, 4899470), (20, 3919576), (32, 2449735), (40, 1959788), (80, 979894), (97, 808160), (160, 489947), (194, 404080), (388, 202040), (485, 161632), (776, 101020), (970, 80816), (1552, 50510), (1940, 40408), (3104, 25255), (3880, 20204), (5051, 15520), (7760, 10102)]