2080259420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1\times {\mathrm{2341}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 4413789408

約数和(自身を除く): 2333529988

約数列:

[1, 2, 4, 5, 10, 20, 157, 283, 314, 566, 628, 785, 1132, 1415, 1570, 2341, 2830, 3140, 4682, 5660, 9364, 11705, 23410, 44431, 46820, 88862, 177724, 222155, 367537, 444310, 662503, 735074, 888620, 1325006, 1470148, 1837685, 2650012, 3312515, 3675370, 6625030, 7350740, 13250060, 104012971, 208025942, 416051884, 520064855, 1040129710, 2080259420]

約数ペア:

[(1, 2080259420), (2, 1040129710), (4, 520064855), (5, 416051884), (10, 208025942), (20, 104012971), (157, 13250060), (283, 7350740), (314, 6625030), (566, 3675370), (628, 3312515), (785, 2650012), (1132, 1837685), (1415, 1470148), (1570, 1325006), (2341, 888620), (2830, 735074), (3140, 662503), (4682, 444310), (5660, 367537), (9364, 222155), (11705, 177724), (23410, 88862), (44431, 46820)]