81188200

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9901}}^1$

素因数の和:9958

約数の個数: 48

約数和(自身を含む): 193386060

約数和(自身を除く): 112197860

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, 9901, 19802, 39604, 49505, 79208, 99010, 198020, 247525, 396040, 405941, 495050, 811882, 990100, 1623764, 1980200, 2029705, 3247528, 4059410, 8118820, 10148525, 16237640, 20297050, 40594100, 81188200]

約数ペア:

[(1, 81188200), (2, 40594100), (4, 20297050), (5, 16237640), (8, 10148525), (10, 8118820), (20, 4059410), (25, 3247528), (40, 2029705), (41, 1980200), (50, 1623764), (82, 990100), (100, 811882), (164, 495050), (200, 405941), (205, 396040), (328, 247525), (410, 198020), (820, 99010), (1025, 79208), (1640, 49505), (2050, 39604), (4100, 19802), (8200, 9901)]