328786960

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{6661}}^1$

素因数の和:7291

約数の個数: 40

約数和(自身を含む): 765783576

約数和(自身を除く): 436996616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 2468, 3085, 4936, 6170, 6661, 9872, 12340, 13322, 24680, 26644, 33305, 49360, 53288, 66610, 106576, 133220, 266440, 532880, 4109837, 8219674, 16439348, 20549185, 32878696, 41098370, 65757392, 82196740, 164393480, 328786960]

約数ペア:

[(1, 328786960), (2, 164393480), (4, 82196740), (5, 65757392), (8, 41098370), (10, 32878696), (16, 20549185), (20, 16439348), (40, 8219674), (80, 4109837), (617, 532880), (1234, 266440), (2468, 133220), (3085, 106576), (4936, 66610), (6170, 53288), (6661, 49360), (9872, 33305), (12340, 26644), (13322, 24680)]