82581008

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{20563}}^1$

素因数の和:20822

約数の個数: 20

約数和(自身を含む): 160645968

約数和(自身を除く): 78064960

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 20563, 41126, 82252, 164504, 329008, 5161313, 10322626, 20645252, 41290504, 82581008]

約数ペア:

[(1, 82581008), (2, 41290504), (4, 20645252), (8, 10322626), (16, 5161313), (251, 329008), (502, 164504), (1004, 82252), (2008, 41126), (4016, 20563)]