2575420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2111}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 5499648

約数和(自身を除く): 2924228

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2111, 4222, 8444, 10555, 21110, 42220, 128771, 257542, 515084, 643855, 1287710, 2575420]

約数ペア:

[(1, 2575420), (2, 1287710), (4, 643855), (5, 515084), (10, 257542), (20, 128771), (61, 42220), (122, 21110), (244, 10555), (305, 8444), (610, 4222), (1220, 2111)]