72014440

素因数分解:

$2^3\times 5^1\times {\mathrm{1800361}}^1$

素因数の和:1800372

約数の個数: 16

約数和(自身を含む): 162032580

約数和(自身を除く): 90018140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1800361, 3600722, 7201444, 9001805, 14402888, 18003610, 36007220, 72014440]

約数ペア:

[(1, 72014440), (2, 36007220), (4, 18003610), (5, 14402888), (8, 9001805), (10, 7201444), (20, 3600722), (40, 1800361)]