80827400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9857}}^1$

素因数の和:9914

約数の個数: 48

約数和(自身を含む): 192526740

約数和(自身を除く): 111699340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 9857, 19714, 39428, 49285, 78856, 98570, 197140, 246425, 394280, 404137, 492850, 808274, 985700, 1616548, 1971400, 2020685, 3233096, 4041370, 8082740, 10103425, 16165480, 20206850, 40413700, 80827400]

約数ペア:

[(1, 80827400), (2, 40413700), (4, 20206850), (5, 16165480), (8, 10103425), (10, 8082740), (20, 4041370), (25, 3233096), (40, 2020685), (41, 1971400), (50, 1616548), (82, 985700), (100, 808274), (164, 492850), (200, 404137), (205, 394280), (328, 246425), (410, 197140), (820, 98570), (1025, 78856), (1640, 49285), (2050, 39428), (4100, 19714), (8200, 9857)]