6640870

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3371}}^1$

素因数の和:3575

約数の個数: 16

約数和(自身を含む): 12017808

約数和(自身を除く): 5376938

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 3371, 6742, 16855, 33710, 664087, 1328174, 3320435, 6640870]

約数ペア:

[(1, 6640870), (2, 3320435), (5, 1328174), (10, 664087), (197, 33710), (394, 16855), (985, 6742), (1970, 3371)]