64853260

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{3319}}^1$

素因数の和:4305

約数の個数: 24

約数和(自身を含む): 136372320

約数和(自身を除く): 71519060

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3319, 3908, 4885, 6638, 9770, 13276, 16595, 19540, 33190, 66380, 3242663, 6485326, 12970652, 16213315, 32426630, 64853260]

約数ペア:

[(1, 64853260), (2, 32426630), (4, 16213315), (5, 12970652), (10, 6485326), (20, 3242663), (977, 66380), (1954, 33190), (3319, 19540), (3908, 16595), (4885, 13276), (6638, 9770)]