80509780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8369}}^1$

素因数の和:8428

約数の個数: 48

約数和(自身を含む): 187019280

約数和(自身を除く): 106509500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 8369, 9620, 16738, 33476, 41845, 83690, 108797, 167380, 217594, 309653, 435188, 543985, 619306, 1087970, 1238612, 1548265, 2175940, 3096530, 4025489, 6193060, 8050978, 16101956, 20127445, 40254890, 80509780]

約数ペア:

[(1, 80509780), (2, 40254890), (4, 20127445), (5, 16101956), (10, 8050978), (13, 6193060), (20, 4025489), (26, 3096530), (37, 2175940), (52, 1548265), (65, 1238612), (74, 1087970), (130, 619306), (148, 543985), (185, 435188), (260, 309653), (370, 217594), (481, 167380), (740, 108797), (962, 83690), (1924, 41845), (2405, 33476), (4810, 16738), (8369, 9620)]