1328915240

素因数分解:

$2^3\times 5^1\times {\mathrm{4093}}^1\times {\mathrm{8117}}^1$

素因数の和:12221

約数の個数: 32

約数和(自身を含む): 2991158280

約数和(自身を除く): 1662243040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4093, 8117, 8186, 16234, 16372, 20465, 32468, 32744, 40585, 40930, 64936, 81170, 81860, 162340, 163720, 324680, 33222881, 66445762, 132891524, 166114405, 265783048, 332228810, 664457620, 1328915240]

約数ペア:

[(1, 1328915240), (2, 664457620), (4, 332228810), (5, 265783048), (8, 166114405), (10, 132891524), (20, 66445762), (40, 33222881), (4093, 324680), (8117, 163720), (8186, 162340), (16234, 81860), (16372, 81170), (20465, 64936), (32468, 40930), (32744, 40585)]