16628080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1334

約数の個数: 80

約数和(自身を含む): 46139904

約数和(自身を除く): 29511824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1291, 1610, 1840, 2576, 2582, 3220, 5164, 6440, 6455, 9037, 10328, 12880, 12910, 18074, 20656, 25820, 29693, 36148, 45185, 51640, 59386, 72296, 90370, 103280, 118772, 144592, 148465, 180740, 207851, 237544, 296930, 361480, 415702, 475088, 593860, 722960, 831404, 1039255, 1187720, 1662808, 2078510, 2375440, 3325616, 4157020, 8314040, 16628080]

約数ペア:

[(1, 16628080), (2, 8314040), (4, 4157020), (5, 3325616), (7, 2375440), (8, 2078510), (10, 1662808), (14, 1187720), (16, 1039255), (20, 831404), (23, 722960), (28, 593860), (35, 475088), (40, 415702), (46, 361480), (56, 296930), (70, 237544), (80, 207851), (92, 180740), (112, 148465), (115, 144592), (140, 118772), (161, 103280), (184, 90370), (230, 72296), (280, 59386), (322, 51640), (368, 45185), (460, 36148), (560, 29693), (644, 25820), (805, 20656), (920, 18074), (1288, 12910), (1291, 12880), (1610, 10328), (1840, 9037), (2576, 6455), (2582, 6440), (3220, 5164)]