79380400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{18041}}^1$

素因数の和:18070

約数の個数: 60

約数和(自身を含む): 208060344

約数和(自身を除く): 128679944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 18041, 36082, 72164, 90205, 144328, 180410, 198451, 288656, 360820, 396902, 451025, 721640, 793804, 902050, 992255, 1443280, 1587608, 1804100, 1984510, 3175216, 3608200, 3969020, 4961275, 7216400, 7938040, 9922550, 15876080, 19845100, 39690200, 79380400]

約数ペア:

[(1, 79380400), (2, 39690200), (4, 19845100), (5, 15876080), (8, 9922550), (10, 7938040), (11, 7216400), (16, 4961275), (20, 3969020), (22, 3608200), (25, 3175216), (40, 1984510), (44, 1804100), (50, 1587608), (55, 1443280), (80, 992255), (88, 902050), (100, 793804), (110, 721640), (176, 451025), (200, 396902), (220, 360820), (275, 288656), (400, 198451), (440, 180410), (550, 144328), (880, 90205), (1100, 72164), (2200, 36082), (4400, 18041)]