61897580

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{20771}}^1$

素因数の和:20929

約数の個数: 24

約数和(自身を含む): 130863600

約数和(自身を除く): 68966020

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 20771, 41542, 83084, 103855, 207710, 415420, 3094879, 6189758, 12379516, 15474395, 30948790, 61897580]

約数ペア:

[(1, 61897580), (2, 30948790), (4, 15474395), (5, 12379516), (10, 6189758), (20, 3094879), (149, 415420), (298, 207710), (596, 103855), (745, 83084), (1490, 41542), (2980, 20771)]