51688840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10859}}^1$

素因数の和:10894

約数の個数: 64

約数和(自身を含む): 140745600

約数和(自身を除く): 89056760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 10859, 21718, 43436, 54295, 76013, 86872, 108590, 152026, 184603, 217180, 304052, 369206, 380065, 434360, 608104, 738412, 760130, 923015, 1292221, 1476824, 1520260, 1846030, 2584442, 3040520, 3692060, 5168884, 6461105, 7384120, 10337768, 12922210, 25844420, 51688840]

約数ペア:

[(1, 51688840), (2, 25844420), (4, 12922210), (5, 10337768), (7, 7384120), (8, 6461105), (10, 5168884), (14, 3692060), (17, 3040520), (20, 2584442), (28, 1846030), (34, 1520260), (35, 1476824), (40, 1292221), (56, 923015), (68, 760130), (70, 738412), (85, 608104), (119, 434360), (136, 380065), (140, 369206), (170, 304052), (238, 217180), (280, 184603), (340, 152026), (476, 108590), (595, 86872), (680, 76013), (952, 54295), (1190, 43436), (2380, 21718), (4760, 10859)]