54784360

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{3947}}^1$

素因数の和:4305

約数の個数: 32

約数和(自身を含む): 123651360

約数和(自身を除く): 68867000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 3947, 6940, 7894, 13880, 15788, 19735, 31576, 39470, 78940, 157880, 1369609, 2739218, 5478436, 6848045, 10956872, 13696090, 27392180, 54784360]

約数ペア:

[(1, 54784360), (2, 27392180), (4, 13696090), (5, 10956872), (8, 6848045), (10, 5478436), (20, 2739218), (40, 1369609), (347, 157880), (694, 78940), (1388, 39470), (1735, 31576), (2776, 19735), (3470, 15788), (3947, 13880), (6940, 7894)]