86216720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 208593792

約数和(自身を除く): 122377072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 172, 215, 284, 344, 353, 355, 430, 568, 688, 706, 710, 860, 1136, 1412, 1420, 1720, 1765, 2824, 2840, 3053, 3440, 3530, 5648, 5680, 6106, 7060, 12212, 14120, 15179, 15265, 24424, 25063, 28240, 30358, 30530, 48848, 50126, 60716, 61060, 75895, 100252, 121432, 122120, 125315, 151790, 200504, 242864, 244240, 250630, 303580, 401008, 501260, 607160, 1002520, 1077709, 1214320, 2005040, 2155418, 4310836, 5388545, 8621672, 10777090, 17243344, 21554180, 43108360, 86216720]

約数ペア:

[(1, 86216720), (2, 43108360), (4, 21554180), (5, 17243344), (8, 10777090), (10, 8621672), (16, 5388545), (20, 4310836), (40, 2155418), (43, 2005040), (71, 1214320), (80, 1077709), (86, 1002520), (142, 607160), (172, 501260), (215, 401008), (284, 303580), (344, 250630), (353, 244240), (355, 242864), (430, 200504), (568, 151790), (688, 125315), (706, 122120), (710, 121432), (860, 100252), (1136, 75895), (1412, 61060), (1420, 60716), (1720, 50126), (1765, 48848), (2824, 30530), (2840, 30358), (3053, 28240), (3440, 25063), (3530, 24424), (5648, 15265), (5680, 15179), (6106, 14120), (7060, 12212)]