86617640

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12517}}^1$

素因数の和:12701

約数の個数: 32

約数和(自身を含む): 196031880

約数和(自身を除く): 109414240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 12517, 25034, 50068, 62585, 100136, 125170, 250340, 500680, 2165441, 4330882, 8661764, 10827205, 17323528, 21654410, 43308820, 86617640]

約数ペア:

[(1, 86617640), (2, 43308820), (4, 21654410), (5, 17323528), (8, 10827205), (10, 8661764), (20, 4330882), (40, 2165441), (173, 500680), (346, 250340), (692, 125170), (865, 100136), (1384, 62585), (1730, 50068), (3460, 25034), (6920, 12517)]