31225940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91841}}^1$

素因数の和:91867

約数の個数: 24

約数和(自身を含む): 69432552

約数和(自身を除く): 38206612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91841, 183682, 367364, 459205, 918410, 1561297, 1836820, 3122594, 6245188, 7806485, 15612970, 31225940]

約数ペア:

[(1, 31225940), (2, 15612970), (4, 7806485), (5, 6245188), (10, 3122594), (17, 1836820), (20, 1561297), (34, 918410), (68, 459205), (85, 367364), (170, 183682), (340, 91841)]