27457880

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2671}}^1$

素因数の和:2939

約数の個数: 32

約数和(自身を含む): 62043840

約数和(自身を除く): 34585960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 2671, 5140, 5342, 10280, 10684, 13355, 21368, 26710, 53420, 106840, 686447, 1372894, 2745788, 3432235, 5491576, 6864470, 13728940, 27457880]

約数ペア:

[(1, 27457880), (2, 13728940), (4, 6864470), (5, 5491576), (8, 3432235), (10, 2745788), (20, 1372894), (40, 686447), (257, 106840), (514, 53420), (1028, 26710), (1285, 21368), (2056, 13355), (2570, 10684), (2671, 10280), (5140, 5342)]