131136560

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{5171}}^1$

素因数の和:5501

約数の個数: 40

約数和(自身を含む): 305913456

約数和(自身を除く): 174776896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3170, 5072, 5171, 6340, 10342, 12680, 20684, 25360, 25855, 41368, 51710, 82736, 103420, 206840, 413680, 1639207, 3278414, 6556828, 8196035, 13113656, 16392070, 26227312, 32784140, 65568280, 131136560]

約数ペア:

[(1, 131136560), (2, 65568280), (4, 32784140), (5, 26227312), (8, 16392070), (10, 13113656), (16, 8196035), (20, 6556828), (40, 3278414), (80, 1639207), (317, 413680), (634, 206840), (1268, 103420), (1585, 82736), (2536, 51710), (3170, 41368), (5072, 25855), (5171, 25360), (6340, 20684), (10342, 12680)]