320509262545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1\times {\mathrm{1621231}}^1$

素因数の和:1623336

約数の個数: 16

約数和(自身を含む): 405048602880

約数和(自身を除く): 84539340335

約数列:

[1, 5, 19, 95, 2081, 10405, 39539, 197695, 1621231, 8106155, 30803389, 154016945, 3373781711, 16868908555, 64101852509, 320509262545]

約数ペア:

[(1, 320509262545), (5, 64101852509), (19, 16868908555), (95, 3373781711), (2081, 154016945), (10405, 30803389), (39539, 8106155), (197695, 1621231)]