81745090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{19793}}^1$

素因数の和:19866

約数の個数: 32

約数和(自身を含む): 171020160

約数和(自身を除く): 89275070

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 295, 413, 590, 826, 2065, 4130, 19793, 39586, 98965, 138551, 197930, 277102, 692755, 1167787, 1385510, 2335574, 5838935, 8174509, 11677870, 16349018, 40872545, 81745090]

約数ペア:

[(1, 81745090), (2, 40872545), (5, 16349018), (7, 11677870), (10, 8174509), (14, 5838935), (35, 2335574), (59, 1385510), (70, 1167787), (118, 692755), (295, 277102), (413, 197930), (590, 138551), (826, 98965), (2065, 39586), (4130, 19793)]