80990125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{38113}}^1$

素因数の和:38145

約数の個数: 16

約数和(自身を含む): 107024112

約数和(自身を除く): 26033987

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 38113, 190565, 647921, 952825, 3239605, 4764125, 16198025, 80990125]

約数ペア:

[(1, 80990125), (5, 16198025), (17, 4764125), (25, 3239605), (85, 952825), (125, 647921), (425, 190565), (2125, 38113)]