72028820

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{3803}}^1$

素因数の和:4759

約数の個数: 24

約数和(自身を含む): 151460064

約数和(自身を除く): 79431244

約数列:

[1, 2, 4, 5, 10, 20, 947, 1894, 3788, 3803, 4735, 7606, 9470, 15212, 18940, 19015, 38030, 76060, 3601441, 7202882, 14405764, 18007205, 36014410, 72028820]

約数ペア:

[(1, 72028820), (2, 36014410), (4, 18007205), (5, 14405764), (10, 7202882), (20, 3601441), (947, 76060), (1894, 38030), (3788, 19015), (3803, 18940), (4735, 15212), (7606, 9470)]