131705960

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{17239}}^1$

素因数の和:17441

約数の個数: 32

約数和(自身を含む): 297907200

約数和(自身を除く): 166201240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 17239, 34478, 68956, 86195, 137912, 172390, 344780, 689560, 3292649, 6585298, 13170596, 16463245, 26341192, 32926490, 65852980, 131705960]

約数ペア:

[(1, 131705960), (2, 65852980), (4, 32926490), (5, 26341192), (8, 16463245), (10, 13170596), (20, 6585298), (40, 3292649), (191, 689560), (382, 344780), (764, 172390), (955, 137912), (1528, 86195), (1910, 68956), (3820, 34478), (7640, 17239)]