78410740

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{2633}}^1$

素因数の和:4131

約数の個数: 24

約数和(自身を含む): 164835720

約数和(自身を除く): 86424980

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2633, 2978, 5266, 5956, 7445, 10532, 13165, 14890, 26330, 29780, 52660, 3920537, 7841074, 15682148, 19602685, 39205370, 78410740]

約数ペア:

[(1, 78410740), (2, 39205370), (4, 19602685), (5, 15682148), (10, 7841074), (20, 3920537), (1489, 52660), (2633, 29780), (2978, 26330), (5266, 14890), (5956, 13165), (7445, 10532)]