80625668

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{3989}}^1$

素因数の和:4187

約数の個数: 24

約数和(自身を含む): 146576640

約数和(自身を除く): 65950972

約数列:

[1, 2, 4, 31, 62, 124, 163, 326, 652, 3989, 5053, 7978, 10106, 15956, 20212, 123659, 247318, 494636, 650207, 1300414, 2600828, 20156417, 40312834, 80625668]

約数ペア:

[(1, 80625668), (2, 40312834), (4, 20156417), (31, 2600828), (62, 1300414), (124, 650207), (163, 494636), (326, 247318), (652, 123659), (3989, 20212), (5053, 15956), (7978, 10106)]