25208900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3191}}^1$

素因数の和:3284

約数の個数: 36

約数和(自身を含む): 55413120

約数和(自身を除く): 30204220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3191, 3950, 6382, 7900, 12764, 15955, 31910, 63820, 79775, 159550, 252089, 319100, 504178, 1008356, 1260445, 2520890, 5041780, 6302225, 12604450, 25208900]

約数ペア:

[(1, 25208900), (2, 12604450), (4, 6302225), (5, 5041780), (10, 2520890), (20, 1260445), (25, 1008356), (50, 504178), (79, 319100), (100, 252089), (158, 159550), (316, 79775), (395, 63820), (790, 31910), (1580, 15955), (1975, 12764), (3191, 7900), (3950, 6382)]