80669480

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{7177}}^1$

素因数の和:7469

約数の個数: 32

約数和(自身を含む): 182177640

約数和(自身を除く): 101508160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 7177, 11240, 14354, 28708, 35885, 57416, 71770, 143540, 287080, 2016737, 4033474, 8066948, 10083685, 16133896, 20167370, 40334740, 80669480]

約数ペア:

[(1, 80669480), (2, 40334740), (4, 20167370), (5, 16133896), (8, 10083685), (10, 8066948), (20, 4033474), (40, 2016737), (281, 287080), (562, 143540), (1124, 71770), (1405, 57416), (2248, 35885), (2810, 28708), (5620, 14354), (7177, 11240)]