2018008880

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{303917}}^1$

素因数の和:304013

約数の個数: 40

約数和(自身を含む): 4748414832

約数和(自身を除く): 2730405952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 303917, 607834, 1215668, 1519585, 2431336, 3039170, 4862672, 6078340, 12156680, 24313360, 25225111, 50450222, 100900444, 126125555, 201800888, 252251110, 403601776, 504502220, 1009004440, 2018008880]

約数ペア:

[(1, 2018008880), (2, 1009004440), (4, 504502220), (5, 403601776), (8, 252251110), (10, 201800888), (16, 126125555), (20, 100900444), (40, 50450222), (80, 25225111), (83, 24313360), (166, 12156680), (332, 6078340), (415, 4862672), (664, 3039170), (830, 2431336), (1328, 1519585), (1660, 1215668), (3320, 607834), (6640, 303917)]