28244900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^2$

素因数の和:221

約数の個数: 54

約数和(自身を含む): 63551922

約数和(自身を除く): 35307022

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 83, 100, 164, 166, 205, 332, 410, 415, 820, 830, 1025, 1660, 2050, 2075, 3403, 4100, 4150, 6806, 6889, 8300, 13612, 13778, 17015, 27556, 34030, 34445, 68060, 68890, 85075, 137780, 170150, 172225, 282449, 340300, 344450, 564898, 688900, 1129796, 1412245, 2824490, 5648980, 7061225, 14122450, 28244900]

約数ペア:

[(1, 28244900), (2, 14122450), (4, 7061225), (5, 5648980), (10, 2824490), (20, 1412245), (25, 1129796), (41, 688900), (50, 564898), (82, 344450), (83, 340300), (100, 282449), (164, 172225), (166, 170150), (205, 137780), (332, 85075), (410, 68890), (415, 68060), (820, 34445), (830, 34030), (1025, 27556), (1660, 17015), (2050, 13778), (2075, 13612), (3403, 8300), (4100, 6889), (4150, 6806)]