198704080

素因数分解:

$2^4\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{2341}}^1$

素因数の和:3415

約数の個数: 40

約数和(自身を含む): 462619944

約数和(自身を除く): 263915864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1061, 2122, 2341, 4244, 4682, 5305, 8488, 9364, 10610, 11705, 16976, 18728, 21220, 23410, 37456, 42440, 46820, 84880, 93640, 187280, 2483801, 4967602, 9935204, 12419005, 19870408, 24838010, 39740816, 49676020, 99352040, 198704080]

約数ペア:

[(1, 198704080), (2, 99352040), (4, 49676020), (5, 39740816), (8, 24838010), (10, 19870408), (16, 12419005), (20, 9935204), (40, 4967602), (80, 2483801), (1061, 187280), (2122, 93640), (2341, 84880), (4244, 46820), (4682, 42440), (5305, 37456), (8488, 23410), (9364, 21220), (10610, 18728), (11705, 16976)]