12965920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 34292160

約数和(自身を除く): 21326240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 80, 88, 106, 110, 139, 160, 176, 212, 220, 265, 278, 352, 424, 440, 530, 556, 583, 695, 848, 880, 1060, 1112, 1166, 1390, 1529, 1696, 1760, 2120, 2224, 2332, 2780, 2915, 3058, 4240, 4448, 4664, 5560, 5830, 6116, 7367, 7645, 8480, 9328, 11120, 11660, 12232, 14734, 15290, 18656, 22240, 23320, 24464, 29468, 30580, 36835, 46640, 48928, 58936, 61160, 73670, 81037, 93280, 117872, 122320, 147340, 162074, 235744, 244640, 294680, 324148, 405185, 589360, 648296, 810370, 1178720, 1296592, 1620740, 2593184, 3241480, 6482960, 12965920]

約数ペア:

[(1, 12965920), (2, 6482960), (4, 3241480), (5, 2593184), (8, 1620740), (10, 1296592), (11, 1178720), (16, 810370), (20, 648296), (22, 589360), (32, 405185), (40, 324148), (44, 294680), (53, 244640), (55, 235744), (80, 162074), (88, 147340), (106, 122320), (110, 117872), (139, 93280), (160, 81037), (176, 73670), (212, 61160), (220, 58936), (265, 48928), (278, 46640), (352, 36835), (424, 30580), (440, 29468), (530, 24464), (556, 23320), (583, 22240), (695, 18656), (848, 15290), (880, 14734), (1060, 12232), (1112, 11660), (1166, 11120), (1390, 9328), (1529, 8480), (1696, 7645), (1760, 7367), (2120, 6116), (2224, 5830), (2332, 5560), (2780, 4664), (2915, 4448), (3058, 4240)]