85866560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20641}}^1$

素因数の和:20671

約数の個数: 56

約数和(自身を含む): 220208856

約数和(自身を除く): 134342296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 20641, 41282, 82564, 103205, 165128, 206410, 268333, 330256, 412820, 536666, 660512, 825640, 1073332, 1321024, 1341665, 1651280, 2146664, 2683330, 3302560, 4293328, 5366660, 6605120, 8586656, 10733320, 17173312, 21466640, 42933280, 85866560]

約数ペア:

[(1, 85866560), (2, 42933280), (4, 21466640), (5, 17173312), (8, 10733320), (10, 8586656), (13, 6605120), (16, 5366660), (20, 4293328), (26, 3302560), (32, 2683330), (40, 2146664), (52, 1651280), (64, 1341665), (65, 1321024), (80, 1073332), (104, 825640), (130, 660512), (160, 536666), (208, 412820), (260, 330256), (320, 268333), (416, 206410), (520, 165128), (832, 103205), (1040, 82564), (2080, 41282), (4160, 20641)]