1279384780

素因数分解:

$2^2\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{35797}}^1$

素因数の和:37593

約数の個数: 24

約数和(自身を含む): 2688286608

約数和(自身を除く): 1408901828

約数列:

[1, 2, 4, 5, 10, 20, 1787, 3574, 7148, 8935, 17870, 35740, 35797, 71594, 143188, 178985, 357970, 715940, 63969239, 127938478, 255876956, 319846195, 639692390, 1279384780]

約数ペア:

[(1, 1279384780), (2, 639692390), (4, 319846195), (5, 255876956), (10, 127938478), (20, 63969239), (1787, 715940), (3574, 357970), (7148, 178985), (8935, 143188), (17870, 71594), (35740, 35797)]