28330340

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5227}}^1$

素因数の和:5507

約数の個数: 24

約数和(自身を含む): 59724672

約数和(自身を除く): 31394332

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5227, 5420, 10454, 20908, 26135, 52270, 104540, 1416517, 2833034, 5666068, 7082585, 14165170, 28330340]

約数ペア:

[(1, 28330340), (2, 14165170), (4, 7082585), (5, 5666068), (10, 2833034), (20, 1416517), (271, 104540), (542, 52270), (1084, 26135), (1355, 20908), (2710, 10454), (5227, 5420)]