2013998240

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{25847}}^1$

素因数の和:26349

約数の個数: 48

約数和(自身を含む): 4768025472

約数和(自身を除く): 2754027232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 974, 1948, 2435, 3896, 4870, 7792, 9740, 15584, 19480, 25847, 38960, 51694, 77920, 103388, 129235, 206776, 258470, 413552, 516940, 827104, 1033880, 2067760, 4135520, 12587489, 25174978, 50349956, 62937445, 100699912, 125874890, 201399824, 251749780, 402799648, 503499560, 1006999120, 2013998240]

約数ペア:

[(1, 2013998240), (2, 1006999120), (4, 503499560), (5, 402799648), (8, 251749780), (10, 201399824), (16, 125874890), (20, 100699912), (32, 62937445), (40, 50349956), (80, 25174978), (160, 12587489), (487, 4135520), (974, 2067760), (1948, 1033880), (2435, 827104), (3896, 516940), (4870, 413552), (7792, 258470), (9740, 206776), (15584, 129235), (19480, 103388), (25847, 77920), (38960, 51694)]