71555080

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{7127}}^1$

素因数の和:7389

約数の個数: 32

約数和(自身を含む): 161663040

約数和(自身を除く): 90107960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 7127, 10040, 14254, 28508, 35635, 57016, 71270, 142540, 285080, 1788877, 3577754, 7155508, 8944385, 14311016, 17888770, 35777540, 71555080]

約数ペア:

[(1, 71555080), (2, 35777540), (4, 17888770), (5, 14311016), (8, 8944385), (10, 7155508), (20, 3577754), (40, 1788877), (251, 285080), (502, 142540), (1004, 71270), (1255, 57016), (2008, 35635), (2510, 28508), (5020, 14254), (7127, 10040)]