55921090

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{40231}}^1$

素因数の和:40377

約数の個数: 16

約数和(自身を含む): 101384640

約数和(自身を除く): 45463550

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 40231, 80462, 201155, 402310, 5592109, 11184218, 27960545, 55921090]

約数ペア:

[(1, 55921090), (2, 27960545), (5, 11184218), (10, 5592109), (139, 402310), (278, 201155), (695, 80462), (1390, 40231)]