128160325

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{701}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 162953856

約数和(自身を除く): 34793531

約数列:

[1, 5, 25, 71, 103, 355, 515, 701, 1775, 2575, 3505, 7313, 17525, 36565, 49771, 72203, 182825, 248855, 361015, 1244275, 1805075, 5126413, 25632065, 128160325]

約数ペア:

[(1, 128160325), (5, 25632065), (25, 5126413), (71, 1805075), (103, 1244275), (355, 361015), (515, 248855), (701, 182825), (1775, 72203), (2575, 49771), (3505, 36565), (7313, 17525)]