42160775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{54401}}^1$

素因数の和:54442

約数の個数: 12

約数和(自身を含む): 53966784

約数和(自身を除く): 11806009

約数列:

[1, 5, 25, 31, 155, 775, 54401, 272005, 1360025, 1686431, 8432155, 42160775]

約数ペア:

[(1, 42160775), (5, 8432155), (25, 1686431), (31, 1360025), (155, 272005), (775, 54401)]