55546520

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3463}}^1$

素因数の和:3875

約数の個数: 32

約数和(自身を含む): 125327520

約数和(自身を除く): 69781000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 3463, 4010, 6926, 8020, 13852, 16040, 17315, 27704, 34630, 69260, 138520, 1388663, 2777326, 5554652, 6943315, 11109304, 13886630, 27773260, 55546520]

約数ペア:

[(1, 55546520), (2, 27773260), (4, 13886630), (5, 11109304), (8, 6943315), (10, 5554652), (20, 2777326), (40, 1388663), (401, 138520), (802, 69260), (1604, 34630), (2005, 27704), (3208, 17315), (3463, 16040), (4010, 13852), (6926, 8020)]