55027760

素因数分解:

$2^4\times 5^1\times {\mathrm{687847}}^1$

素因数の和:687860

約数の個数: 20

約数和(自身を含む): 127939728

約数和(自身を除く): 72911968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 687847, 1375694, 2751388, 3439235, 5502776, 6878470, 11005552, 13756940, 27513880, 55027760]

約数ペア:

[(1, 55027760), (2, 27513880), (4, 13756940), (5, 11005552), (8, 6878470), (10, 5502776), (16, 3439235), (20, 2751388), (40, 1375694), (80, 687847)]