87313420

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{19577}}^1$

素因数の和:19809

約数の個数: 24

約数和(自身を含む): 184189824

約数和(自身を除く): 96876404

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 19577, 39154, 78308, 97885, 195770, 391540, 4365671, 8731342, 17462684, 21828355, 43656710, 87313420]

約数ペア:

[(1, 87313420), (2, 43656710), (4, 21828355), (5, 17462684), (10, 8731342), (20, 4365671), (223, 391540), (446, 195770), (892, 97885), (1115, 78308), (2230, 39154), (4460, 19577)]