38744620

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4831}}^1$

素因数の和:5241

約数の個数: 24

約数和(自身を含む): 81583488

約数和(自身を除く): 42838868

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 4831, 8020, 9662, 19324, 24155, 48310, 96620, 1937231, 3874462, 7748924, 9686155, 19372310, 38744620]

約数ペア:

[(1, 38744620), (2, 19372310), (4, 9686155), (5, 7748924), (10, 3874462), (20, 1937231), (401, 96620), (802, 48310), (1604, 24155), (2005, 19324), (4010, 9662), (4831, 8020)]