3977897740

素因数分解:

$2^2\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{111301}}^1$

素因数の和:113097

約数の個数: 24

約数和(自身を含む): 8358334992

約数和(自身を除く): 4380437252

約数列:

[1, 2, 4, 5, 10, 20, 1787, 3574, 7148, 8935, 17870, 35740, 111301, 222602, 445204, 556505, 1113010, 2226020, 198894887, 397789774, 795579548, 994474435, 1988948870, 3977897740]

約数ペア:

[(1, 3977897740), (2, 1988948870), (4, 994474435), (5, 795579548), (10, 397789774), (20, 198894887), (1787, 2226020), (3574, 1113010), (7148, 556505), (8935, 445204), (17870, 222602), (35740, 111301)]