7425940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21841}}^1$

素因数の和:21867

約数の個数: 24

約数和(自身を含む): 16512552

約数和(自身を除く): 9086612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 21841, 43682, 87364, 109205, 218410, 371297, 436820, 742594, 1485188, 1856485, 3712970, 7425940]

約数ペア:

[(1, 7425940), (2, 3712970), (4, 1856485), (5, 1485188), (10, 742594), (17, 436820), (20, 371297), (34, 218410), (68, 109205), (85, 87364), (170, 43682), (340, 21841)]