208052208020

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2341}}^1\times {\mathrm{14197}}^1$

素因数の和:16860

約数の個数: 48

約数和(自身を含む): 438523630608

約数和(自身を除く): 230471422588

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 2341, 3130, 4682, 6260, 9364, 11705, 14197, 23410, 28394, 46820, 56788, 70985, 141970, 283940, 732733, 1465466, 2930932, 3663665, 4443661, 7327330, 8887322, 14654660, 17774644, 22218305, 33235177, 44436610, 66470354, 88873220, 132940708, 166175885, 332351770, 664703540, 10402610401, 20805220802, 41610441604, 52013052005, 104026104010, 208052208020]

約数ペア:

[(1, 208052208020), (2, 104026104010), (4, 52013052005), (5, 41610441604), (10, 20805220802), (20, 10402610401), (313, 664703540), (626, 332351770), (1252, 166175885), (1565, 132940708), (2341, 88873220), (3130, 66470354), (4682, 44436610), (6260, 33235177), (9364, 22218305), (11705, 17774644), (14197, 14654660), (23410, 8887322), (28394, 7327330), (46820, 4443661), (56788, 3663665), (70985, 2930932), (141970, 1465466), (283940, 732733)]