1273207280

素因数分解:

$2^4\times 5^1\times {\mathrm{15915091}}^1$

素因数の和:15915104

約数の個数: 20

約数和(自身を含む): 2960207112

約数和(自身を除く): 1686999832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15915091, 31830182, 63660364, 79575455, 127320728, 159150910, 254641456, 318301820, 636603640, 1273207280]

約数ペア:

[(1, 1273207280), (2, 636603640), (4, 318301820), (5, 254641456), (8, 159150910), (10, 127320728), (16, 79575455), (20, 63660364), (40, 31830182), (80, 15915091)]