12994120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 31434480

約数和(自身を除く): 18440360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 197, 340, 388, 394, 485, 680, 776, 788, 970, 985, 1576, 1649, 1940, 1970, 3298, 3349, 3880, 3940, 6596, 6698, 7880, 8245, 13192, 13396, 16490, 16745, 19109, 26792, 32980, 33490, 38218, 65960, 66980, 76436, 95545, 133960, 152872, 191090, 324853, 382180, 649706, 764360, 1299412, 1624265, 2598824, 3248530, 6497060, 12994120]

約数ペア:

[(1, 12994120), (2, 6497060), (4, 3248530), (5, 2598824), (8, 1624265), (10, 1299412), (17, 764360), (20, 649706), (34, 382180), (40, 324853), (68, 191090), (85, 152872), (97, 133960), (136, 95545), (170, 76436), (194, 66980), (197, 65960), (340, 38218), (388, 33490), (394, 32980), (485, 26792), (680, 19109), (776, 16745), (788, 16490), (970, 13396), (985, 13192), (1576, 8245), (1649, 7880), (1940, 6698), (1970, 6596), (3298, 3940), (3349, 3880)]