82617880

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{11939}}^1$

素因数の和:12123

約数の個数: 32

約数和(自身を含む): 186980400

約数和(自身を除く): 104362520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 11939, 23878, 47756, 59695, 95512, 119390, 238780, 477560, 2065447, 4130894, 8261788, 10327235, 16523576, 20654470, 41308940, 82617880]

約数ペア:

[(1, 82617880), (2, 41308940), (4, 20654470), (5, 16523576), (8, 10327235), (10, 8261788), (20, 4130894), (40, 2065447), (173, 477560), (346, 238780), (692, 119390), (865, 95512), (1384, 59695), (1730, 47756), (3460, 23878), (6920, 11939)]