2080992340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{23117}}^1$

素因数の和:23776

約数の個数: 48

約数和(自身を含む): 5002365312

約数和(自身を除く): 2921372972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 1286, 2572, 3215, 4501, 6430, 9002, 12860, 18004, 22505, 23117, 45010, 46234, 90020, 92468, 115585, 161819, 231170, 323638, 462340, 647276, 809095, 1618190, 3236380, 14864231, 29728462, 59456924, 74321155, 104049617, 148642310, 208099234, 297284620, 416198468, 520248085, 1040496170, 2080992340]

約数ペア:

[(1, 2080992340), (2, 1040496170), (4, 520248085), (5, 416198468), (7, 297284620), (10, 208099234), (14, 148642310), (20, 104049617), (28, 74321155), (35, 59456924), (70, 29728462), (140, 14864231), (643, 3236380), (1286, 1618190), (2572, 809095), (3215, 647276), (4501, 462340), (6430, 323638), (9002, 231170), (12860, 161819), (18004, 115585), (22505, 92468), (23117, 90020), (45010, 46234)]