156946226980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{80900117}}^1$

素因数の和:80900223

約数の個数: 24

約数和(自身を含む): 332984885688

約数和(自身を除く): 176038658708

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 80900117, 161800234, 323600468, 404500585, 809001170, 1618002340, 7847311349, 15694622698, 31389245396, 39236556745, 78473113490, 156946226980]

約数ペア:

[(1, 156946226980), (2, 78473113490), (4, 39236556745), (5, 31389245396), (10, 15694622698), (20, 7847311349), (97, 1618002340), (194, 809001170), (388, 404500585), (485, 323600468), (970, 161800234), (1940, 80900117)]