8869840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 24141312

約数和(自身を除く): 15271472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 337, 376, 470, 560, 658, 674, 752, 940, 1316, 1348, 1645, 1685, 1880, 2359, 2632, 2696, 3290, 3370, 3760, 4718, 5264, 5392, 6580, 6740, 9436, 11795, 13160, 13480, 15839, 18872, 23590, 26320, 26960, 31678, 37744, 47180, 63356, 79195, 94360, 110873, 126712, 158390, 188720, 221746, 253424, 316780, 443492, 554365, 633560, 886984, 1108730, 1267120, 1773968, 2217460, 4434920, 8869840]

約数ペア:

[(1, 8869840), (2, 4434920), (4, 2217460), (5, 1773968), (7, 1267120), (8, 1108730), (10, 886984), (14, 633560), (16, 554365), (20, 443492), (28, 316780), (35, 253424), (40, 221746), (47, 188720), (56, 158390), (70, 126712), (80, 110873), (94, 94360), (112, 79195), (140, 63356), (188, 47180), (235, 37744), (280, 31678), (329, 26960), (337, 26320), (376, 23590), (470, 18872), (560, 15839), (658, 13480), (674, 13160), (752, 11795), (940, 9436), (1316, 6740), (1348, 6580), (1645, 5392), (1685, 5264), (1880, 4718), (2359, 3760), (2632, 3370), (2696, 3290)]