85252520

素因数分解:

$2^3\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{1669}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 192083400

約数和(自身を除く): 106830880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277, 1669, 2554, 3338, 5108, 6385, 6676, 8345, 10216, 12770, 13352, 16690, 25540, 33380, 51080, 66760, 2131313, 4262626, 8525252, 10656565, 17050504, 21313130, 42626260, 85252520]

約数ペア:

[(1, 85252520), (2, 42626260), (4, 21313130), (5, 17050504), (8, 10656565), (10, 8525252), (20, 4262626), (40, 2131313), (1277, 66760), (1669, 51080), (2554, 33380), (3338, 25540), (5108, 16690), (6385, 13352), (6676, 12770), (8345, 10216)]