208035280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{25247}}^1$

素因数の和:25363

約数の個数: 40

約数和(自身を含む): 488397312

約数和(自身を除く): 280362032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 25247, 50494, 100988, 126235, 201976, 252470, 403952, 504940, 1009880, 2019760, 2600441, 5200882, 10401764, 13002205, 20803528, 26004410, 41607056, 52008820, 104017640, 208035280]

約数ペア:

[(1, 208035280), (2, 104017640), (4, 52008820), (5, 41607056), (8, 26004410), (10, 20803528), (16, 13002205), (20, 10401764), (40, 5200882), (80, 2600441), (103, 2019760), (206, 1009880), (412, 504940), (515, 403952), (824, 252470), (1030, 201976), (1648, 126235), (2060, 100988), (4120, 50494), (8240, 25247)]