65169640

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6491}}^1$

素因数の和:6753

約数の個数: 32

約数和(自身を含む): 147238560

約数和(自身を除く): 82068920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6491, 10040, 12982, 25964, 32455, 51928, 64910, 129820, 259640, 1629241, 3258482, 6516964, 8146205, 13033928, 16292410, 32584820, 65169640]

約数ペア:

[(1, 65169640), (2, 32584820), (4, 16292410), (5, 13033928), (8, 8146205), (10, 6516964), (20, 3258482), (40, 1629241), (251, 259640), (502, 129820), (1004, 64910), (1255, 51928), (2008, 32455), (2510, 25964), (5020, 12982), (6491, 10040)]