5161900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1314

約数の個数: 36

約数和(自身を含む): 11483640

約数和(自身を除く): 6321740

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 1259, 2050, 2518, 4100, 5036, 6295, 12590, 25180, 31475, 51619, 62950, 103238, 125900, 206476, 258095, 516190, 1032380, 1290475, 2580950, 5161900]

約数ペア:

[(1, 5161900), (2, 2580950), (4, 1290475), (5, 1032380), (10, 516190), (20, 258095), (25, 206476), (41, 125900), (50, 103238), (82, 62950), (100, 51619), (164, 31475), (205, 25180), (410, 12590), (820, 6295), (1025, 5036), (1259, 4100), (2050, 2518)]