63641780

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{3257}}^1$

素因数の和:4243

約数の個数: 24

約数和(自身を含む): 133825608

約数和(自身を除く): 70183828

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3257, 3908, 4885, 6514, 9770, 13028, 16285, 19540, 32570, 65140, 3182089, 6364178, 12728356, 15910445, 31820890, 63641780]

約数ペア:

[(1, 63641780), (2, 31820890), (4, 15910445), (5, 12728356), (10, 6364178), (20, 3182089), (977, 65140), (1954, 32570), (3257, 19540), (3908, 16285), (4885, 13028), (6514, 9770)]