67320580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{30881}}^1$

素因数の和:30999

約数の個数: 24

約数和(自身を含む): 142674840

約数和(自身を除く): 75354260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 30881, 61762, 123524, 154405, 308810, 617620, 3366029, 6732058, 13464116, 16830145, 33660290, 67320580]

約数ペア:

[(1, 67320580), (2, 33660290), (4, 16830145), (5, 13464116), (10, 6732058), (20, 3366029), (109, 617620), (218, 308810), (436, 154405), (545, 123524), (1090, 61762), (2180, 30881)]