207680560

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20441}}^1$

素因数の和:20581

約数の個数: 40

約数和(自身を含む): 486683136

約数和(自身を除く): 279002576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 20441, 40882, 81764, 102205, 163528, 204410, 327056, 408820, 817640, 1635280, 2596007, 5192014, 10384028, 12980035, 20768056, 25960070, 41536112, 51920140, 103840280, 207680560]

約数ペア:

[(1, 207680560), (2, 103840280), (4, 51920140), (5, 41536112), (8, 25960070), (10, 20768056), (16, 12980035), (20, 10384028), (40, 5192014), (80, 2596007), (127, 1635280), (254, 817640), (508, 408820), (635, 327056), (1016, 204410), (1270, 163528), (2032, 102205), (2540, 81764), (5080, 40882), (10160, 20441)]