2018287760

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{303959}}^1$

素因数の和:304055

約数の個数: 40

約数和(自身を含む): 4749071040

約数和(自身を除く): 2730783280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 303959, 607918, 1215836, 1519795, 2431672, 3039590, 4863344, 6079180, 12158360, 24316720, 25228597, 50457194, 100914388, 126142985, 201828776, 252285970, 403657552, 504571940, 1009143880, 2018287760]

約数ペア:

[(1, 2018287760), (2, 1009143880), (4, 504571940), (5, 403657552), (8, 252285970), (10, 201828776), (16, 126142985), (20, 100914388), (40, 50457194), (80, 25228597), (83, 24316720), (166, 12158360), (332, 6079180), (415, 4863344), (664, 3039590), (830, 2431672), (1328, 1519795), (1660, 1215836), (3320, 607918), (6640, 303959)]