71368280

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{5737}}^1$

素因数の和:6059

約数の個数: 32

約数和(自身を含む): 161123040

約数和(自身を除く): 89754760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 5737, 6220, 11474, 12440, 22948, 28685, 45896, 57370, 114740, 229480, 1784207, 3568414, 7136828, 8921035, 14273656, 17842070, 35684140, 71368280]

約数ペア:

[(1, 71368280), (2, 35684140), (4, 17842070), (5, 14273656), (8, 8921035), (10, 7136828), (20, 3568414), (40, 1784207), (311, 229480), (622, 114740), (1244, 57370), (1555, 45896), (2488, 28685), (3110, 22948), (5737, 12440), (6220, 11474)]