26721520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47717}}^1$

素因数の和:47737

約数の個数: 40

約数和(自身を含む): 71004384

約数和(自身を除く): 44282864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 47717, 95434, 190868, 238585, 334019, 381736, 477170, 668038, 763472, 954340, 1336076, 1670095, 1908680, 2672152, 3340190, 3817360, 5344304, 6680380, 13360760, 26721520]

約数ペア:

[(1, 26721520), (2, 13360760), (4, 6680380), (5, 5344304), (7, 3817360), (8, 3340190), (10, 2672152), (14, 1908680), (16, 1670095), (20, 1336076), (28, 954340), (35, 763472), (40, 668038), (56, 477170), (70, 381736), (80, 334019), (112, 238585), (140, 190868), (280, 95434), (560, 47717)]