86354320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:2000

約数の個数: 80

約数和(自身を含む): 221360832

約数和(自身を除く): 135006512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 1931, 2236, 2795, 3440, 3862, 4472, 5590, 7724, 8944, 9655, 11180, 15448, 19310, 22360, 25103, 30896, 38620, 44720, 50206, 77240, 83033, 100412, 125515, 154480, 166066, 200824, 251030, 332132, 401648, 415165, 502060, 664264, 830330, 1004120, 1079429, 1328528, 1660660, 2008240, 2158858, 3321320, 4317716, 5397145, 6642640, 8635432, 10794290, 17270864, 21588580, 43177160, 86354320]

約数ペア:

[(1, 86354320), (2, 43177160), (4, 21588580), (5, 17270864), (8, 10794290), (10, 8635432), (13, 6642640), (16, 5397145), (20, 4317716), (26, 3321320), (40, 2158858), (43, 2008240), (52, 1660660), (65, 1328528), (80, 1079429), (86, 1004120), (104, 830330), (130, 664264), (172, 502060), (208, 415165), (215, 401648), (260, 332132), (344, 251030), (430, 200824), (520, 166066), (559, 154480), (688, 125515), (860, 100412), (1040, 83033), (1118, 77240), (1720, 50206), (1931, 44720), (2236, 38620), (2795, 30896), (3440, 25103), (3862, 22360), (4472, 19310), (5590, 15448), (7724, 11180), (8944, 9655)]