80573008

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{20063}}^1$

素因数の和:20322

約数の個数: 20

約数和(自身を含む): 156739968

約数和(自身を除く): 76166960

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 20063, 40126, 80252, 160504, 321008, 5035813, 10071626, 20143252, 40286504, 80573008]

約数ペア:

[(1, 80573008), (2, 40286504), (4, 20143252), (8, 10071626), (16, 5035813), (251, 321008), (502, 160504), (1004, 80252), (2008, 40126), (4016, 20063)]