80055020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{129121}}^1$

素因数の和:129161

約数の個数: 24

約数和(自身を含む): 173539968

約数和(自身を除く): 93484948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 129121, 258242, 516484, 645605, 1291210, 2582420, 4002751, 8005502, 16011004, 20013755, 40027510, 80055020]

約数ペア:

[(1, 80055020), (2, 40027510), (4, 20013755), (5, 16011004), (10, 8005502), (20, 4002751), (31, 2582420), (62, 1291210), (124, 645605), (155, 516484), (310, 258242), (620, 129121)]