2391580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 5056128

約数和(自身を除く): 2664548

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 607, 788, 985, 1214, 1970, 2428, 3035, 3940, 6070, 12140, 119579, 239158, 478316, 597895, 1195790, 2391580]

約数ペア:

[(1, 2391580), (2, 1195790), (4, 597895), (5, 478316), (10, 239158), (20, 119579), (197, 12140), (394, 6070), (607, 3940), (788, 3035), (985, 2428), (1214, 1970)]