80169400

素因数分解:

$2^3\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1597}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 187253640

約数和(自身を除く): 107084240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 251, 502, 1004, 1255, 1597, 2008, 2510, 3194, 5020, 6275, 6388, 7985, 10040, 12550, 12776, 15970, 25100, 31940, 39925, 50200, 63880, 79850, 159700, 319400, 400847, 801694, 1603388, 2004235, 3206776, 4008470, 8016940, 10021175, 16033880, 20042350, 40084700, 80169400]

約数ペア:

[(1, 80169400), (2, 40084700), (4, 20042350), (5, 16033880), (8, 10021175), (10, 8016940), (20, 4008470), (25, 3206776), (40, 2004235), (50, 1603388), (100, 801694), (200, 400847), (251, 319400), (502, 159700), (1004, 79850), (1255, 63880), (1597, 50200), (2008, 39925), (2510, 31940), (3194, 25100), (5020, 15970), (6275, 12776), (6388, 12550), (7985, 10040)]