79842640

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10289}}^1$

素因数の和:10399

約数の個数: 40

約数和(自身を含む): 187566120

約数和(自身を除く): 107723480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 10289, 20578, 41156, 51445, 82312, 102890, 164624, 205780, 411560, 823120, 998033, 1996066, 3992132, 4990165, 7984264, 9980330, 15968528, 19960660, 39921320, 79842640]

約数ペア:

[(1, 79842640), (2, 39921320), (4, 19960660), (5, 15968528), (8, 9980330), (10, 7984264), (16, 4990165), (20, 3992132), (40, 1996066), (80, 998033), (97, 823120), (194, 411560), (388, 205780), (485, 164624), (776, 102890), (970, 82312), (1552, 51445), (1940, 41156), (3880, 20578), (7760, 10289)]