30627820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{911}}^1$

素因数の和:1002

約数の個数: 36

約数和(自身を含む): 65997792

約数和(自身を除く): 35369972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 911, 1681, 1822, 3362, 3644, 4555, 6724, 8405, 9110, 16810, 18220, 33620, 37351, 74702, 149404, 186755, 373510, 747020, 1531391, 3062782, 6125564, 7656955, 15313910, 30627820]

約数ペア:

[(1, 30627820), (2, 15313910), (4, 7656955), (5, 6125564), (10, 3062782), (20, 1531391), (41, 747020), (82, 373510), (164, 186755), (205, 149404), (410, 74702), (820, 37351), (911, 33620), (1681, 18220), (1822, 16810), (3362, 9110), (3644, 8405), (4555, 6724)]