54979180

素因数分解:

$2^2\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{1951}}^1$

素因数の和:3369

約数の個数: 24

約数和(自身を含む): 115597440

約数和(自身を除く): 60618260

約数列:

[1, 2, 4, 5, 10, 20, 1409, 1951, 2818, 3902, 5636, 7045, 7804, 9755, 14090, 19510, 28180, 39020, 2748959, 5497918, 10995836, 13744795, 27489590, 54979180]

約数ペア:

[(1, 54979180), (2, 27489590), (4, 13744795), (5, 10995836), (10, 5497918), (20, 2748959), (1409, 39020), (1951, 28180), (2818, 19510), (3902, 14090), (5636, 9755), (7045, 7804)]