67481420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3511}}^1$

素因数の和:3582

約数の個数: 36

約数和(自身を含む): 146471472

約数和(自身を除く): 78990052

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3511, 3844, 4805, 7022, 9610, 14044, 17555, 19220, 35110, 70220, 108841, 217682, 435364, 544205, 1088410, 2176820, 3374071, 6748142, 13496284, 16870355, 33740710, 67481420]

約数ペア:

[(1, 67481420), (2, 33740710), (4, 16870355), (5, 13496284), (10, 6748142), (20, 3374071), (31, 2176820), (62, 1088410), (124, 544205), (155, 435364), (310, 217682), (620, 108841), (961, 70220), (1922, 35110), (3511, 19220), (3844, 17555), (4805, 14044), (7022, 9610)]