54391640

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3391}}^1$

素因数の和:3803

約数の個数: 32

約数和(自身を含む): 122722560

約数和(自身を除く): 68330920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 3391, 4010, 6782, 8020, 13564, 16040, 16955, 27128, 33910, 67820, 135640, 1359791, 2719582, 5439164, 6798955, 10878328, 13597910, 27195820, 54391640]

約数ペア:

[(1, 54391640), (2, 27195820), (4, 13597910), (5, 10878328), (8, 6798955), (10, 5439164), (20, 2719582), (40, 1359791), (401, 135640), (802, 67820), (1604, 33910), (2005, 27128), (3208, 16955), (3391, 16040), (4010, 13564), (6782, 8020)]