86081420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138841}}^1$

素因数の和:138881

約数の個数: 24

約数和(自身を含む): 186603648

約数和(自身を除く): 100522228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 138841, 277682, 555364, 694205, 1388410, 2776820, 4304071, 8608142, 17216284, 21520355, 43040710, 86081420]

約数ペア:

[(1, 86081420), (2, 43040710), (4, 21520355), (5, 17216284), (10, 8608142), (20, 4304071), (31, 2776820), (62, 1388410), (124, 694205), (155, 555364), (310, 277682), (620, 138841)]