80011888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 181059840

約数和(自身を除く): 101047952

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 71, 76, 88, 142, 152, 176, 209, 284, 304, 337, 418, 568, 674, 781, 836, 1136, 1348, 1349, 1562, 1672, 2696, 2698, 3124, 3344, 3707, 5392, 5396, 6248, 6403, 7414, 10792, 12496, 12806, 14828, 14839, 21584, 23927, 25612, 29656, 29678, 47854, 51224, 59312, 59356, 70433, 95708, 102448, 118712, 140866, 191416, 237424, 263197, 281732, 382832, 454613, 526394, 563464, 909226, 1052788, 1126928, 1818452, 2105576, 3636904, 4211152, 5000743, 7273808, 10001486, 20002972, 40005944, 80011888]

約数ペア:

[(1, 80011888), (2, 40005944), (4, 20002972), (8, 10001486), (11, 7273808), (16, 5000743), (19, 4211152), (22, 3636904), (38, 2105576), (44, 1818452), (71, 1126928), (76, 1052788), (88, 909226), (142, 563464), (152, 526394), (176, 454613), (209, 382832), (284, 281732), (304, 263197), (337, 237424), (418, 191416), (568, 140866), (674, 118712), (781, 102448), (836, 95708), (1136, 70433), (1348, 59356), (1349, 59312), (1562, 51224), (1672, 47854), (2696, 29678), (2698, 29656), (3124, 25612), (3344, 23927), (3707, 21584), (5392, 14839), (5396, 14828), (6248, 12806), (6403, 12496), (7414, 10792)]