67840580

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{3691}}^1$

素因数の和:4619

約数の個数: 24

約数和(自身を含む): 142658880

約数和(自身を除く): 74818300

約数列:

[1, 2, 4, 5, 10, 20, 919, 1838, 3676, 3691, 4595, 7382, 9190, 14764, 18380, 18455, 36910, 73820, 3392029, 6784058, 13568116, 16960145, 33920290, 67840580]

約数ペア:

[(1, 67840580), (2, 33920290), (4, 16960145), (5, 13568116), (10, 6784058), (20, 3392029), (919, 73820), (1838, 36910), (3676, 18455), (3691, 18380), (4595, 14764), (7382, 9190)]