86981200

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2153}}^1$

素因数の和:2272

約数の個数: 60

約数和(自身を含む): 211139388

約数和(自身を除く): 124158188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 400, 404, 505, 808, 1010, 1616, 2020, 2153, 2525, 4040, 4306, 5050, 8080, 8612, 10100, 10765, 17224, 20200, 21530, 34448, 40400, 43060, 53825, 86120, 107650, 172240, 215300, 217453, 430600, 434906, 861200, 869812, 1087265, 1739624, 2174530, 3479248, 4349060, 5436325, 8698120, 10872650, 17396240, 21745300, 43490600, 86981200]

約数ペア:

[(1, 86981200), (2, 43490600), (4, 21745300), (5, 17396240), (8, 10872650), (10, 8698120), (16, 5436325), (20, 4349060), (25, 3479248), (40, 2174530), (50, 1739624), (80, 1087265), (100, 869812), (101, 861200), (200, 434906), (202, 430600), (400, 217453), (404, 215300), (505, 172240), (808, 107650), (1010, 86120), (1616, 53825), (2020, 43060), (2153, 40400), (2525, 34448), (4040, 21530), (4306, 20200), (5050, 17224), (8080, 10765), (8612, 10100)]