1266820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 2691864

約数和(自身を除く): 1425044

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 653, 970, 1306, 1940, 2612, 3265, 6530, 13060, 63341, 126682, 253364, 316705, 633410, 1266820]

約数ペア:

[(1, 1266820), (2, 633410), (4, 316705), (5, 253364), (10, 126682), (20, 63341), (97, 13060), (194, 6530), (388, 3265), (485, 2612), (653, 1940), (970, 1306)]