7776564080

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1230469}}^1$

素因数の和:1230561

約数の個数: 40

約数和(自身を含む): 18309393600

約数和(自身を除く): 10532829520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 1230469, 2460938, 4921876, 6152345, 9843752, 12304690, 19687504, 24609380, 49218760, 97207051, 98437520, 194414102, 388828204, 486035255, 777656408, 972070510, 1555312816, 1944141020, 3888282040, 7776564080]

約数ペア:

[(1, 7776564080), (2, 3888282040), (4, 1944141020), (5, 1555312816), (8, 972070510), (10, 777656408), (16, 486035255), (20, 388828204), (40, 194414102), (79, 98437520), (80, 97207051), (158, 49218760), (316, 24609380), (395, 19687504), (632, 12304690), (790, 9843752), (1264, 6152345), (1580, 4921876), (3160, 2460938), (6320, 1230469)]