1258448980

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{261089}}^1$

素因数の和:261339

約数の個数: 24

約数和(自身を含む): 2653718760

約数和(自身を除く): 1395269780

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 261089, 522178, 1044356, 1305445, 2610890, 5221780, 62922449, 125844898, 251689796, 314612245, 629224490, 1258448980]

約数ペア:

[(1, 1258448980), (2, 629224490), (4, 314612245), (5, 251689796), (10, 125844898), (20, 62922449), (241, 5221780), (482, 2610890), (964, 1305445), (1205, 1044356), (2410, 522178), (4820, 261089)]