1900908080

素因数分解:

$2^4\times 5^1\times {\mathrm{2819}}^1\times {\mathrm{8429}}^1$

素因数の和:11261

約数の個数: 40

約数和(自身を含む): 4421703600

約数和(自身を除く): 2520795520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2819, 5638, 8429, 11276, 14095, 16858, 22552, 28190, 33716, 42145, 45104, 56380, 67432, 84290, 112760, 134864, 168580, 225520, 337160, 674320, 23761351, 47522702, 95045404, 118806755, 190090808, 237613510, 380181616, 475227020, 950454040, 1900908080]

約数ペア:

[(1, 1900908080), (2, 950454040), (4, 475227020), (5, 380181616), (8, 237613510), (10, 190090808), (16, 118806755), (20, 95045404), (40, 47522702), (80, 23761351), (2819, 674320), (5638, 337160), (8429, 225520), (11276, 168580), (14095, 134864), (16858, 112760), (22552, 84290), (28190, 67432), (33716, 56380), (42145, 45104)]