16390880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 43182720

約数和(自身を除く): 26791840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 67, 80, 88, 110, 134, 139, 160, 176, 220, 268, 278, 335, 352, 440, 536, 556, 670, 695, 737, 880, 1072, 1112, 1340, 1390, 1474, 1529, 1760, 2144, 2224, 2680, 2780, 2948, 3058, 3685, 4448, 5360, 5560, 5896, 6116, 7370, 7645, 9313, 10720, 11120, 11792, 12232, 14740, 15290, 18626, 22240, 23584, 24464, 29480, 30580, 37252, 46565, 48928, 58960, 61160, 74504, 93130, 102443, 117920, 122320, 149008, 186260, 204886, 244640, 298016, 372520, 409772, 512215, 745040, 819544, 1024430, 1490080, 1639088, 2048860, 3278176, 4097720, 8195440, 16390880]

約数ペア:

[(1, 16390880), (2, 8195440), (4, 4097720), (5, 3278176), (8, 2048860), (10, 1639088), (11, 1490080), (16, 1024430), (20, 819544), (22, 745040), (32, 512215), (40, 409772), (44, 372520), (55, 298016), (67, 244640), (80, 204886), (88, 186260), (110, 149008), (134, 122320), (139, 117920), (160, 102443), (176, 93130), (220, 74504), (268, 61160), (278, 58960), (335, 48928), (352, 46565), (440, 37252), (536, 30580), (556, 29480), (670, 24464), (695, 23584), (737, 22240), (880, 18626), (1072, 15290), (1112, 14740), (1340, 12232), (1390, 11792), (1474, 11120), (1529, 10720), (1760, 9313), (2144, 7645), (2224, 7370), (2680, 6116), (2780, 5896), (2948, 5560), (3058, 5360), (3685, 4448)]