71322140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{209771}}^1$

素因数の和:209797

約数の個数: 24

約数和(自身を含む): 158587632

約数和(自身を除く): 87265492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 209771, 419542, 839084, 1048855, 2097710, 3566107, 4195420, 7132214, 14264428, 17830535, 35661070, 71322140]

約数ペア:

[(1, 71322140), (2, 35661070), (4, 17830535), (5, 14264428), (10, 7132214), (17, 4195420), (20, 3566107), (34, 2097710), (68, 1048855), (85, 839084), (170, 419542), (340, 209771)]