16015940

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1997}}^1$

素因数の和:2407

約数の個数: 24

約数和(自身を含む): 33734232

約数和(自身を除く): 17718292

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 1997, 2005, 3994, 4010, 7988, 8020, 9985, 19970, 39940, 800797, 1601594, 3203188, 4003985, 8007970, 16015940]

約数ペア:

[(1, 16015940), (2, 8007970), (4, 4003985), (5, 3203188), (10, 1601594), (20, 800797), (401, 39940), (802, 19970), (1604, 9985), (1997, 8020), (2005, 7988), (3994, 4010)]