31494460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14447}}^1$

素因数の和:14565

約数の個数: 24

約数和(自身を含む): 66749760

約数和(自身を除く): 35255300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14447, 28894, 57788, 72235, 144470, 288940, 1574723, 3149446, 6298892, 7873615, 15747230, 31494460]

約数ペア:

[(1, 31494460), (2, 15747230), (4, 7873615), (5, 6298892), (10, 3149446), (20, 1574723), (109, 288940), (218, 144470), (436, 72235), (545, 57788), (1090, 28894), (2180, 14447)]