268783840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{129223}}^1$

素因数の和:129251

約数の個数: 48

約数和(自身を含む): 683853408

約数和(自身を除く): 415069568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 129223, 258446, 516892, 646115, 1033784, 1292230, 1679899, 2067568, 2584460, 3359798, 4135136, 5168920, 6719596, 8399495, 10337840, 13439192, 16798990, 20675680, 26878384, 33597980, 53756768, 67195960, 134391920, 268783840]

約数ペア:

[(1, 268783840), (2, 134391920), (4, 67195960), (5, 53756768), (8, 33597980), (10, 26878384), (13, 20675680), (16, 16798990), (20, 13439192), (26, 10337840), (32, 8399495), (40, 6719596), (52, 5168920), (65, 4135136), (80, 3359798), (104, 2584460), (130, 2067568), (160, 1679899), (208, 1292230), (260, 1033784), (416, 646115), (520, 516892), (1040, 258446), (2080, 129223)]