77902640

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10039}}^1$

素因数の和:10149

約数の個数: 40

約数和(自身を含む): 183009120

約数和(自身を除く): 105106480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 10039, 20078, 40156, 50195, 80312, 100390, 160624, 200780, 401560, 803120, 973783, 1947566, 3895132, 4868915, 7790264, 9737830, 15580528, 19475660, 38951320, 77902640]

約数ペア:

[(1, 77902640), (2, 38951320), (4, 19475660), (5, 15580528), (8, 9737830), (10, 7790264), (16, 4868915), (20, 3895132), (40, 1947566), (80, 973783), (97, 803120), (194, 401560), (388, 200780), (485, 160624), (776, 100390), (970, 80312), (1552, 50195), (1940, 40156), (3880, 20078), (7760, 10039)]