1264851220

素因数分解:

$2^2\times 5^1\times {\mathrm{9151}}^1\times {\mathrm{6911}}^1$

素因数の和:16071

約数の個数: 24

約数和(自身を含む): 2656862208

約数和(自身を除く): 1392010988

約数列:

[1, 2, 4, 5, 10, 20, 6911, 9151, 13822, 18302, 27644, 34555, 36604, 45755, 69110, 91510, 138220, 183020, 63242561, 126485122, 252970244, 316212805, 632425610, 1264851220]

約数ペア:

[(1, 1264851220), (2, 632425610), (4, 316212805), (5, 252970244), (10, 126485122), (20, 63242561), (6911, 183020), (9151, 138220), (13822, 91510), (18302, 69110), (27644, 45755), (34555, 36604)]