27980140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{37811}}^1$

素因数の和:37857

約数の個数: 24

約数和(自身を含む): 60347952

約数和(自身を除く): 32367812

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 37811, 75622, 151244, 189055, 378110, 756220, 1399007, 2798014, 5596028, 6995035, 13990070, 27980140]

約数ペア:

[(1, 27980140), (2, 13990070), (4, 6995035), (5, 5596028), (10, 2798014), (20, 1399007), (37, 756220), (74, 378110), (148, 189055), (185, 151244), (370, 75622), (740, 37811)]